Problem: How does the sentence end?

Matthew was able to solve the case but Lawrence was totally stumped, because
Answer: Lawrence lacked the attention to detail do the job.

Problem: How does the sentence end?

Maintaining a healthy diet was easier for Cynthia than Victoria because
Answer: Victoria didn't like many fruits and vegetables.

Problem: How does the sentence end?

Adam explained his emotions to Robert, because
Answer: Adam needed help from a therapist who could deal with complex emotions.

Problem: How does the sentence end?

On the beach, Natalie is nice to the hermit crabs, while Jennifer is mean because
Answer:
Jennifer despises nature.