[Q]: How does the sentence end?

Maria wanted to watch the tree frog for Natalie because 

[A]: Natalie  hates playing with animals.


[Q]: How does the sentence end?

Brett woke up early in the morning but not Michael because 

[A]: Michael had a late bedtime.


[Q]: How does the sentence end?

Jeffrey is a lot less confident than Brett because 

[A]:
Brett has an outgoing personality and likes to talk a lot.