Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "You take a shower to clean yourself."
- Sentence B: "You can take a bath in your shower."

Student: You can't have a bath in a shower, you need a bath tub.
The answer is Sentence B.

question in book:
Which of these sentences doesn't make sense?
Options:
- Sentence A: "He sent a postcard as a souvenir to his girl friend"
- Sentence B: "He sent a credit card as a souvenir to his girl friend"

standard solution:
Credit cards are only used by the person they are issued to, you cannot send one as a souvenir.
The answer is Sentence B.

[TEACHER] Which of the following two sentences does not make sense?
Options:
- Sentence A: "You can conquer your opponent if you understand him."
- Sentence B: "You can conquer your opponent without understanding him."

[Student] As the saying goes, know yourself and know your enemy.
The answer is Sentence B.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "For seafood allergic people, they'd better not to eat bread"
- Sentence B: "For seafood allergic people, they'd better not to eat oyster"

Student: Bread is not a seafood so it has no impact on people with a seafood allergy.
The answer is Sentence A.

question in book:
Which of the following sentences is nonsensical?
Options:
- Sentence A: "They went for a walk in the rain."
- Sentence B: "They went swimming in the rain."

standard solution:
Rain is not a body of water on can swim in.
The answer is Sentence B.

Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "The river flows from the mountains to the sky"
- Sentence B: "The river flows from the mountains to the plain"

Student:
It would defy gravity for a river to flow into the sky.
The answer is Sentence A.