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: Aaron drank plenty of water before the hike, but Christopher forgot to, so _ ended up getting dehydrated. (A) Aaron (B) Christopher

SOLUTION: B

PROBLEM: Matthew is a public health expert, Justin is not therefore _ would not be best at explaining the danger of mold. (A) Matthew (B) Justin

SOLUTION: B

PROBLEM: Because of where they worked, Ryan had access to good healthcare, while Robert did not, so _ lived a shorter life. (A) Ryan (B) Robert

SOLUTION:
B