question in book:
One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "The roof was covered with wind"
- Sentence B: "The roof was covered with snow"

standard solution:
Wind is not a mass that can cover something.
The answer is Sentence A.

[TEACHER] Which of the following sentences is nonsensical?
Options:
- Sentence A: "There are many cats in the sea."
- Sentence B: "There are many fish in the sea."

[Student] Cats can't swim so they don't appear in the sea.
The answer is Sentence A.

Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "Sunglasses are worn on the eyeballs."
- Sentence B: "Contact lenses are worn on the eyeballs."

Student: Sunglasses are worn narrowly in front of the eyeballs, and are held up by the ears and nose.
The answer is Sentence A.

question in book:
Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "There may be aliens outside our solar system"
- Sentence B: "There must be aliens outside our solar system"

standard solution:
No proof of alien existence exists so we cannot say for definite that they exist.
The answer is Sentence B.

[TEACHER] Which of the following sentences is nonsensical?
Options:
- Sentence A: "Rain can fall in the day or in the night."
- Sentence B: "The sun can shine in the day or in the night."

[Student] The moon is out at night and not the sun.
The answer is Sentence B.

[TEACHER] Which of these sentences doesn't make sense?
Options:
- Sentence A: "Cyclists ride a zebra in a competition"
- Sentence B: "Cyclists ride a bike in a competition"

[Student]
Cyclists can't ride a zebra in a competition.
The answer is Sentence A.