OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of the following sentences is nonsensical?
Options:
- Sentence A: "He was fired by his boss for laziness"
- Sentence B: "He was fired by his boss for his diligence"

user
Hard-working people will be very serious in their work and will not be fired.
Thus, the answer is Sentence B.
assistant