question in book:
Which of these sentences doesn't make sense?
Options:
- Sentence A: "He lay on the grass in the sun"
- Sentence B: "He lay in a dark room in the sun"

standard solution:
If a room is dark then there is no sun in it.
The answer is Sentence B.

[TEACHER] Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "Large cars use less gas."
- Sentence B: "Small cars use less gas."

[Student] It takes more gas to propel a larger car than it does a smaller car.
The answer is Sentence A.

Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "Doors can't be opened without the key when they are locked"
- Sentence B: "Doors can be opened without the key when they are locked"

Student: Doors need a key to be unlocked, so they cant be opened without the key.
The answer is Sentence B.

question in book:
Which of the following two sentences does not make sense?
Options:
- Sentence A: "Screens can keep out the wind."
- Sentence B: "Windows can keep out the wind."

standard solution:
Screens are designed so as to allow some of the wind inside, not to keep the wind out.
The answer is Sentence A.

[TEACHER] Which of the following two sentences does not make sense?
Options:
- Sentence A: "Earthworms have no sex"
- Sentence B: "Cats have no sex"

[Student] There are male and female cats who reproduce by having sex.
The answer is Sentence B.

[TEACHER] Which of the following sentences is nonsensical?
Options:
- Sentence A: "I walked on the lake."
- Sentence B: "I jumped in the lake."

[Student]

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
People are heavier than water and therefore cannot walk on top of it.
The answer is Sentence A.