[Q]: How does the sentence end?

During the concert, the cello sounded better than the violin because the
OPTIONS:
- cello was in tune.
- violin was in tune.

[A]: cello was in tune.

[Q]: How does the sentence end?

Samuel gave Christopher advice on how to act around a celebrity since they knew
OPTIONS:
- Samuel was going to experience being around them at their work.
- Christopher was going to experience being around them at their work.

[A]: Christopher was going to experience being around them at their work.

[Q]: How does the sentence end?

This was important to Sarah but Megan did not care , so
OPTIONS:
- Sarah ended up putting all the effort into it.
- Megan ended up putting all the effort into it.

[A]:
Sarah ended up putting all the effort into it.