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]: Rebecca showed Jennifer how to heal a fever by herself.  _ sure was knowledgeable. (A) Rebecca (B) Jennifer
[A]: A


[Q]: As part of the daily diet, Justin would eat the greens while Samuel wouldn't so _ ended up better. (A) Justin (B) Samuel
[A]: A


[Q]: The food was taken out of the box and put in a bag, since it would fail to freeze well in the _ . (A) box (B) bag
[A]:
A