Problem: How does the sentence end?

Sue poured the walnuts out of the bag onto the table until the 
OPTIONS:
- bag was empty.
- table was empty.
Answer: bag was empty.

Problem: How does the sentence end?

Amy was good at dancing while Elena was not very good at it because 
OPTIONS:
- Amy had poor rhythm.
- Elena had poor rhythm.
Answer: Elena had poor rhythm.

Problem: How does the sentence end?

Kevin asked Leslie if there is a thrift store near the city centre, because 
OPTIONS:
- Kevin wasn't sure.
- Leslie wasn't sure.
Answer: Kevin wasn't sure.

Problem: How does the sentence end?

Donald ended the relationship against the wishes of Adam, because 
OPTIONS:
- Donald wanted to be alone.
- Adam wanted to be alone.
Answer:
Donald wanted to be alone.