Problem: How does the sentence end?

Kyle got his food stuck in a rabbit hole and needed Robert to call the fire department. 
Answer: Kyle was embarrassed by the situation.

Problem: How does the sentence end?

Dennis didn't finish nearly as many creative projects as Benjamin, because 
Answer: Benjamin was having major inspiration.

Problem: How does the sentence end?

She decided to exercise on the bike instead of the treadmill because the 
Answer: bike was more effective.

Problem: How does the sentence end?

Samantha was dropped off at the fashion show by Betty because 
Answer:
Samantha needed a car to go there.