[Q]: How does the sentence end?

Justin noticed that Logan was coughing and went to get some cough medicine for it because

[A]: Logan was a sick person.

[Q]: How does the sentence end?

I picked up my blue cup that was by the sink while I was doing the dishes but there was nothing in it. The

[A]: sink was full.

[Q]: How does the sentence end?

Natalie enjoyed going to chemistry lab but Emily did not, because

[A]:
Natalie liked doing chemical reactions in class.