Teacher: Which of the following sentences is nonsensical?
Options:
- Sentence A: "We bought a smile."
- Sentence B: "We bought a tiger."

Student: A smile cannot be bought because it is a thrill.
The answer is Sentence A.

Teacher: Choose the sentence that goes against common sense.
Options:
- Sentence A: "A spider can play the xbox 360 with 4 controllers because it has 8 legs"
- Sentence B: "Four of us can play the xbox 360 together because it can connect 4 controllers"

Student: Spiders lack the understanding to play xbox 360.
The answer is Sentence A.

Teacher: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "You must fill up a bath-tub with water to take a bath."
- Sentence B: "You must fill up a bath-tub with ketchup to take a bath."

Student: Ketchup is used on foods, not in the bath-tub.
The answer is Sentence B.

Teacher: Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "The coin was made of silver"
- Sentence B: "The coin was made of cheese"

Student:
Cheese is too soft and edible to be made into a coin.
The answer is Sentence B.