[Q]: How does the sentence end?

Angela used the microwave right after Mary , since 

[A]: Mary no longer needed to warm up her food.


[Q]: How does the sentence end?

Kyle likes to eat natural foods all day long but Eric doesn't because 

[A]: Kyle wants to be healthy.


[Q]: How does the sentence end?

Erin seems to think owning guns is somehow necessary whereas Kayla knows that is not the case in a civilized society since 

[A]:
Kayla is intelligent.