Problem: How does the sentence end?

The secret was not able to be kept by Dennis unlike Aaron, because
Answer: Dennis is untrustworthy.

Problem: How does the sentence end?

The dog breeder decided to feed all of the dogs milk instead of water because the
Answer: water was uninteresting to the dogs.

Problem: How does the sentence end?

The exams were held in the library rather than the classroom, as the
Answer: library was a quieter environment.

Problem: How does the sentence end?

Carlos wanted to update his computer accessories and decided to get headphones first instead of a microphone because the
Answer:
headphones would be used more often.