[Q]: How does the sentence end?

Though Laura wanted to be a firefighter, their friend Jennifer was afraid of fire. Therefore 

[A]: Laura became a firefighter.


[Q]: How does the sentence end?

The clothes Justin were wearing were much older than Joseph's because 

[A]: Justin has less money.


[Q]: How does the sentence end?

So 

[A]:
Mary went from the hospital because Amy was sick while Mary was actually getting better.