[Q]: How does the sentence end?

The cookies had a smoother texture than the brownies because the 

[A]: brownies had walnuts in them.


[Q]: How does the sentence end?

You find a lot of grapes on the vine in the yard of Adam but none in the yard of Michael as 

[A]: Michael always forgets to water their plant.


[Q]: How does the sentence end?

Carrie callously slammed Rachel's head into the headboard, since 

[A]:
Carrie was much stronger than them.