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: Carrie is a lot more talented at swimming than Angela because _ took lessons as a child. (A) Carrie (B) Angela

A: A
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Q: The college decided to stop the chemistry program but continue engineering, because the _ program was expensive to develop. (A) chemistry (B) engineering

A: A
****
Q: Natalie is worse at distinguishing shades of color than Elena because _ is color blind. (A) Natalie (B) Elena

A:
A
****