[Q]: How does the sentence end?

The argument that I had with my sister was nicer than the debate with my father because the 

[A]: debate was intense.


[Q]: How does the sentence end?

Matthew takes his pet rabbit in to see Brett when it gets sick. This is because 

[A]: Matthew is a concerned pet owner.


[Q]: How does the sentence end?

Mary enjoys cooking muffins, but doesn't really care for cupcakes. To her, the 

[A]:
muffins are much more satisfying to make.