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".

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

[EX Q]: On a double-pan balance, a pan containing a one pound package is lower than the other pan containing a 16 ounce bottle. The _ is lighter. (A) package (B) bottle
[EX A]: B

[EX Q]: To properly install the frame, we threw out the screwdriver and used the drill, as the _ had little utility for this task. (A) screwdriver (B) drill
[EX A]:
A