Problem: How does the sentence end?

The hammer was not able to break the shell fast enough because the
Answer: hammer is small.

Problem: How does the sentence end?

The lawyer had to yell at Kenneth but not at Joel because
Answer: Kenneth was doing everything possible wrong.

Problem: How does the sentence end?

Brian usually washed the tiny spots from the glasses for Eric after dinner because
Answer: Brian had better vision.

Problem: How does the sentence end?

Jeffrey fed their guinea pig alfalfa, while Robert fearfully watched from a distance.
Answer:
Robert was scared of guinea pigs.