[Q]: How does the sentence end?

The electrical engineer needed a computer to help solve the problem; the
OPTIONS:
- problem was efficient.
- computer was efficient.

[A]: computer was efficient.

[Q]: How does the sentence end?

Betty confessed to Carrie that she had never been on a white water rafting trip before.
OPTIONS:
- Betty was scared.
- Carrie was scared.

[A]: Betty was scared.

[Q]: How does the sentence end?

Although the store closed down, I was able to find my favorite candy as the
OPTIONS:
- store was unavailable.
- candy was unavailable.

[A]:
store was unavailable.