OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of these sentences doesn't make sense?
Options:
- Sentence A: "I bought my son a candy bar as a treat"
- Sentence B: "I bought my son an elephant as a treat"

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
An elephant is to big to be a treat and is not edible.
Thus, the answer is Sentence B.