[Q]: How does the sentence end?

Erin thought Marias infidelity was getting out of hand, but 

[A]: Maria refused to talk about it.


[Q]: How does the sentence end?

I can't concentrate in silence so I'd rather go to the cafe instead of the library to study since the 

[A]: library is too quiet.


[Q]: How does the sentence end?

The tips that the man gave were more useless than the documents because the 

[A]:
tips were false.