TASK DEFINITION: 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".
PROBLEM: 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

SOLUTION: B

PROBLEM: Lawrence decided he must be a failure to Derrick since _ was the only one cheering. (A) Lawrence (B) Derrick

SOLUTION: A

PROBLEM: Bugs freak Sarah out, while Katrina is a lover of them _ is an indoor human being. (A) Sarah (B) Katrina

SOLUTION:
A