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]: The carpenter wanted to build a wall, but he didn't have enough bricks. He built a water well instead because the _ required too many bricks. (A) water well (B) wall
[A]: B


[Q]: Eric made a huge investment into the new company but Steven didn't because _ was rich. (A) Eric (B) Steven
[A]: A


[Q]: Don had more wrinkles on his forehead than on his neck because the skin on the _ was exposed. (A) neck (B) forehead
[A]:
B