[TEACHER] Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "A fox is a bird"
- Sentence B: "A fox is an animal"

[Student] A fox has 4 legs and cannot fly.
The answer is Sentence A.

[TEACHER] One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Adjectives are a part of speech"
- Sentence B: "Adjectives are a part of pizza"

[Student] Adjectives are a concept of language feature not an edible substance.
The answer is Sentence B.

[TEACHER] One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "We must follow the guidelines when we operate the machine for the first time."
- Sentence B: "We should tamper with the machine by ourselves when we operate it for the first time."

[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
It is easy to damage a new machine if we tamper with it by ourselves.
The answer is Sentence B.