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: Angela had to hire Natalie as a contractor, since _ had plenty of experience to build a house. (A) Angela (B) Natalie

SOLUTION: B

PROBLEM: Katrina loves the taste of lettuce but Angela doesn't. _ ordered a big salad for dinner. (A) Katrina (B) Angela

SOLUTION: A

PROBLEM: Robert enjoyed science experiments while Derrick was bored of them, so _ looked forward to physics class. (A) Robert (B) Derrick

SOLUTION:
A