Symbolizing Disjunctions and Biconditionals: Be sure to check the help screen for important info about fill-in-the-blank exercises.

They will order COFFEE or DESSERT if and only if they liked the ENTREE.
1. (CvD)→E
2. E→(CvD)
3. (C→E)v(D→E)
If and only if you are fond of ALLIGATORS or MOONSHINE ought you to live in the SWAMP.
1. (AvM)↔S
2. (A↔M)↔S
3. S→(AvM)
4. (A→S)v(M→S)
Supposing that there is a HURRICANE or a PLAGUE of zombies, then, and only then, will we open the SPAM.
1. (HvP)↔S
2. (H↔P)↔S
3. S→(HvP)
4. (H→S)&(S→P)
You may MARCH in the band, but only if you can play the BASOON or the TUBA or both.
1. M↔(BvT)
2. M↔((BvT)&(B&T))
3. (BvT)→M
4. M→((BvT)v(B&T))
Janet will admire the JELLO but only if it contains MARSHMALLOWS and/or mandarin ORANGES.
1. J↔(MvO)
2. J↔((MvO)&(MvO))
3. (MvO)→J
4. J→((MvO)&(MvO))
We are likely to SURVIVE, but not unless the creature is BLIND and/or VEGETARIAN.
1. S↔(BvV)
2. S↔((BvV)&(B&V))
3. ~(BvV)↔S
4. ~S↔(BvV)
Socrates will bring TABOULI and/or HUMMUS but not unless PLATO or ARISTOTLE brings baklava.
1. (TvH)↔(PvA)
2. ((TvH)&(T&H))↔(PvA)
3. ~(PvA)→((TvH)&(T&H))
4. ~(PvA)→(TvH)
You will need a MACHETE or a PISTOL or both, as well as a FLASHLIGHT or a LANTERN but not both.
1. (MvP)&((FvL)&~(F&L))
2. (MvP)&(FvL)
3. (MvP)&~(FvL)
4. (MvP)&((FvL)&~(FvL))
The recipe suggests MOLASSES or BROWN sugar or both, as well as RAISINS or CRICKETS, but not both.
1. (MvB)&((RvC)&~(R&C))
2. (MvB)&(RvC)
3. (MvB)&~(RvC)
4. (MvB)&((RvC)v~(R&C))
If you adore BUNNY rabbits or UNICORNS or both, you are likely a young GIRL or a hungry TROLL (but not both).
1. (BvU)→((GvT)&~(G&T))
2. (BvU)→~(G&T)
3. (BvU)→~(GvT)
4. (BvU)→(GvT)
5. ((BvU)v(B&U))>((GvT)&~(G&T))
6. (BvU)>((GvT)&~(G&T))
7. ((BvU)v(B&U))>((GvT)&~(G&T))
8. (BvU)>((GvT)&~(G&T))
I don't like YOU or your IDEAS, however, I would not FIGHT you or put SPIDERS in your dessert.
1. ~Y&~I&~F&~S
2. (~Yv~I)&(~Fv~S)
3. (~Yv~I)&~F&~S
4. ~Y&~I&(~Fv~S)
Though she dislikes either RASPBERRIES or STRAWBERRIES, I could not remember WHICH.
1. (~Rv~S)&~W
2. ~(RvS)&~W
3. ~R&~S&~W
4. ~~(RvSvW)
You will be PROMOTED only if you don't ARGUE or COMPLAIN or make SNARKY remarks about your boss's haircut.
1. P→(~A&~C&~S)
2. P↔~(A&C&S)
3. (~Av~Cv~S)→P
4. (~A&~C&~S)→P
Either she didn't UNDERSTAND or she didn't CARE, or perhaps her shoes were too TIGHT.
1. ~Uv~CvT
2. ~(UvC)vT
3. (~U&~C)vT
4. (~Uv~C)&T
Either the DEMOCRATS or the REPUBLICANS will be unhappy, or pigs will FLY.
1. ~Dv~RvF
2. ~(DvR)vF
3. (~D&~R)vF
4. ~(~DvR)vF
You cannot WIN or LOSE unless you COMPETE.
1. (~W&~L)vC
2. ~(W&L)vC
3. ~C→~(W&L)
4. ~C↔~(W&L)
Unless you EMBRACE the dark side, you will not be FEARED or HATED.
1. Ev(~F&~H)
2. (~Fv~H)→~E
3. Ev~(F&H)
4. ~E→(~Fv~H)
You ought not RUN or SHOUT unless the ZOMBIES have already seen you.
1. (~R&~S)vZ
2. ~Rv~Sv~Z
3. ~(R&S)v~Z
4. ~(R&S)vZ
If STUDYING is not necessary for PASSING, the material is too EASY or the grading is too LENIENT.
1. ~(P→S)→(EvL)
2. (~S→P)→(EvL)
3. ~(S→P)→(EvL)
4. (~P→S)→(EvL)
MONEY is not sufficient for HAPPINESS unless you are not very INTERESTING.
1. ~(M→H)v~I
2. ~(M→H)v~~I
3. (M→~H)v~I
4. (~M→H)v~~I
You can be a GLADIATOR or a PIRATE only if it's HALLOWEEN or you're inSENSITIVE to social conventions.
1. (GvP)→(Hv~S)
2. (Hv~S)→(GvP)
3. (GvP)↔(Hv~S)
4. (GvP)↔~(HvS)
It's false that you can LAUGH or SMILE only if you have an official happiness PERMIT or a DEGREE from an accredited clown college.
1. ~((LvS)→(PvD))
2. ~((PvD)→(LvS))
3. (PvD)→~(LvS)
4. ~(LvS)→(PvD)
UNDERSTANDING is not required for BELIEF or ACTION, but without careful REFLECTION, errors are FREQUENT.
1. ~((BvA)→U)&(RvF)
2. ~((BvA)→U)&(~RvF)
3. ~(U→(BvA))&(~RvF)
4. (~U→(BvA))&(RvF)
PHYSICAL strength is not necessary for CONSTRUCTING proofs or SYMBOLIZING sentences unless your pencil is very HEAVY.
1. ~((CvS)→P)vH
2. (~(CvS)→P)vH
3. ((CvS)→~P)vH
4. ((CvS)→P)v~H
You'll have to clap your HANDS or WHISTLE, given that you don't have a KAZOO or a TAMBOURINE.
1. ~(KvT)→(HvW)
2. (~Kv~T)→(HvW)
3. ~(K&T)→(HvW)
4. (HvW)→~(K&T)
Supposing that they do not have DEATH rays or pet MONKEYS, we will not BEFRIEND the space aliens.
1. ~(DvM)→~B
2. ~(D&M)→~B
3. ~((DvM)→~B)
4. (~Dv~M)→~B
Provided that you don't GIVE them money or FLATTER their egos, the politicians will go AWAY.
1. ~(GvF)→A
2. ~(G&F)→A
3. ~((GvF)→A)
4. (~Gv~F)→A
If you can't SING or you don't KNOW the words, just move your LIPS and nod your HEAD.
1. (~Sv~K)→(L&H)
2. (~S&~K)→(L&H)
3. ~(SvK)→(L&H)
4. ~((SvK)→(L&H))
If the CONVERSATION is not witty or the SCONES are not flaky, we shall leave in a HUFF and never RETURN.
1. (~Cv~S)→(H&~R)
2. ~(CvS)→(H&~R)
3. (~C&~S)→(H&~R)
4. ~((CvS)→(H&~R))
Although she does not fear GOD, MEN, or SATAN, she's terrified of LLAMAS and she thinks butterscotch PUDDING is creepy.
1. ~G&~M&~S&L&P
2. ~(G&M&S)&L&P
3. (~Gv~Mv~S)&~(L&P)
4. ~G&~M&~S&~L&~P
Assuming that eating JELLO leads to intellectual IMPAIRMENT, and that eating TAPIOCA or FLAN results in excruciating DEATH, I will have the CUSTARD and/or PUDDING.
1. ((J→I)&((TvF)→D))→(CvP)
2. ((I→J)&(D→(TvF)))→(CvP)
3. (((I→J)&(D→(TvF)))→(C&P)
4. ((J→I)&((TvF)→D))→(C&P)
If we are not killed by AVALANCHE or BLIZZARD, then as long as we do not FALL and we are not attacked by YETIS, we shall reach the SUMMIT.
1. (~(AvB)&(~F&~Y))→S
2. ((~Av~B)&(~F&~Y))→S
3. ((~Av~B)&(~Fv~Y))→S
4. (~(AvB)&(~Fv~Y))→S
Given that it doesn't have CLAWS or FANGS then it can't HURT you unless it poisons your DESSERT or steals your SOUL.
1. ~(CvF)→(~HvDvS)
2. (~Cv~F)→(~HvDvS)
3. (~Cv~F)→(HvDvS)
4. ~(C&F)→(~HvDvS)
The reverberation of existence reveals itself as inFINITELY complex yet STRUCTURELESS, but not unless we embrace it with HUMILITY or JELLO or both.
1. (~F&S)↔(HvJ)
2. (~F&S)↔~(HvJ)
3. ~(HvJ)→(~F&S)
4. (~F&S)→~(HvJ)