Answer the following question, with explanation first. Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "The host forbid others entering the house by building fence around his house"
- Sentence B: "The host forbid others entering the house by planting grass around his house"

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
Grass is not a barrier to stop people.
So, the answer is Sentence B.