Problem: How does the sentence end?

The cat jumped from the couch to the wall but it slid down the wall because the 
Answer: wall is smooth.

Problem: How does the sentence end?

The apples were more filling to eat than the bananas because the 
Answer: bananas had less calories.

Problem: How does the sentence end?

It made sense that Joseph would buy a puppy but that Benjamin would not because 
Answer: Benjamin didn't really like dogs.

Problem: How does the sentence end?

There was only a little fuel left in the tank, so to travel a far distance was out of the question, since the 
Answer:
distance was too great.