[Q]: How does the sentence end?

Matthew drinks five days a week while William sticks to just one because 

[A]: William likes to party less.


[Q]: How does the sentence end?

Randy cooked noodles for a recipe and Michael did not because 

[A]: Michael was making hamburgers.


[Q]: How does the sentence end?

Adam was having a lot of problems during their pregnancy while Brian was getting on well. 

[A]:
Adam had a lot of issues with nausea.