Problem: How does the sentence end?

The children didn't understand the material from the book so the teacher displayed the video because the 
Answer: video was simple.

Problem: How does the sentence end?

Patricia was caught trespassing on Sarah's house and other property, so 
Answer: Sarah went to the police.

Problem: How does the sentence end?

At the grocery store, Chris asked for paper instead of plastic because the 
Answer: paper is better for the environment.

Problem: How does the sentence end?

Josh wanted to get rid of his wrinkles and dark circles under his eyes, and he felt the 
Answer:
dark circles could be helped by getting more sleep.