question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "she had an operation on her knee at the clinic"
- Sentence B: "she had an operation on her knee at the library"

standard solution:
Surgeries aren't do in libraries. They're done at hospitals.
The answer is Sentence B.

question in book:
Which of the following sentences is nonsensical?
Options:
- Sentence A: "Ducks can fly."
- Sentence B: "Birds can fly."

standard solution:
Ducks don't have the ability to fly as birds have.
The answer is Sentence A.

question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "We can brush our teeth with a mirror"
- Sentence B: "We can brush our teeth with a toothbrush."

standard solution:
Mirrors is too sharp to brush our teeth.
The answer is Sentence A.

question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Police in Mars are allowed to use legal force"
- Sentence B: "Police in Hong Kong are allowed to use legal force"

standard solution:
Mars is in outer space, police men are not.
The answer is Sentence A.