[TEACHER] One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "They are going to shut down factories that are uneconomic."
- Sentence B: "They are going to continue to operate factories that are uneconomic."

[Student] The operation of factories that uneconomic will result in losses.
The answer is Sentence B.

Teacher: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "the difference between the twins' birth time is one day"
- Sentence B: "the difference between the twins' birth time is one minute"

Student: It would be extremely rare, if not impossible for twins to be born a day apart.
The answer is Sentence A.

question in book:
Pick which sentence is not logical.
Options:
- Sentence A: "The moon will wax or wane"
- Sentence B: "The moon is always round."

standard solution:
The moon waxes till it becomes full, and then wanes.
The answer is Sentence B.

[TEACHER] Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "cars on the freeway multiply during holidays"
- Sentence B: "cars on the railway multiply during holidays"

[Student] Cars does not ride on a railway but on the road.
The answer is Sentence B.

Teacher: Which of the following two sentences does not make sense?
Options:
- Sentence A: "Eating appropriate amount of fruit is bad for people."
- Sentence B: "Eating appropriate amount of fruit is good for people."

Student: Fruits are rich in vitamin C needed by the human body.
The answer is Sentence A.

question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Mirrors can reflect light."
- Sentence B: "Black holes can reflect light"

standard solution:
The gravity of black holes is strong to such a degree that light cannot escape them, and is not reflected.
The answer is Sentence B.