[Q]: How does the sentence end?

Jessica gave her glass of red wine to Erin, because 

[A]: Jessica preferred to stay sober.


[Q]: How does the sentence end?

Mary wanted to replace the toggle switch with a rocker panel, because the 

[A]: rocker panel was new.


[Q]: How does the sentence end?

The manual is always better than a catalog because the 

[A]:
manual is specific to what you need.