Problem: How does the sentence end?

I decided to take the lift and not the escalator because the
Answer: escalator looked dirtier.

Problem: How does the sentence end?

Leslie always had much more of a fun time than Brett because
Answer: Brett was a very negative person.

Problem: How does the sentence end?

The woman has 1 jar of nuts and 10 jars of beans in her pantry because the
Answer: nuts were scarce.

Problem: How does the sentence end?

Kayla went to ask Samantha if they could borrow some sugar, because
Answer:
Kayla had run out.