In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

[Q]: As such a talented artist, Laura had much to offer Sarah in learning to paint, and _ was eager to teach. (A) Laura (B) Sarah
[A]: A


[Q]: The waiter served more cocktails than beers at the restaurant because the _ were blander. (A) cocktails (B) beers
[A]: B


[Q]: He wanted to preserve the tomatoes and the onions, but the _ gave him difficulty because of the fumes. (A) tomatoes (B) onions
[A]:
B