[Q]: How does the sentence end?

The medical exam for the broken arm was shorter than the exam on the heart because the
OPTIONS:
- heart was a serious problem.
- arm was a serious problem.

[A]: heart was a serious problem.

[Q]: How does the sentence end?

The athlete used the skills she learned in high school to compete in long distance races; the
OPTIONS:
- races were tiring.
- skills were tiring.

[A]: races were tiring.

[Q]: How does the sentence end?

Brett helped Dennis write a modern day mystery book because
OPTIONS:
- Brett was a archaic writer.
- Dennis was a archaic writer.

[A]:
Dennis was a archaic writer.