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 skin that was made using a special ingredient lasted longer than the replacement, since the _ is real. (A) skin (B) replacement

SOLUTION: A

PROBLEM: Sarah was constantly feeling dizzy but not Betty because _ did not have symptoms of vertigo. (A) Sarah (B) Betty

SOLUTION: B

PROBLEM: Bob poured the entire bag of concrete into the hole that he dug until the _ was full. (A) bag (B) hole

SOLUTION:
B