Problem: How does the sentence end?

The school bought a bunch of new pencils, but didn't get any pens, because the 
Answer: pencils were high quality.

Problem: How does the sentence end?

Jeffrey buys a live Christmas tree, while Hunter uses a fake one, so 
Answer: Jeffrey has to water his tree.

Problem: How does the sentence end?

Marco watched his diet carefully so he decided to choose an apple over candy for a snack because the 
Answer: candy was junkier.

Problem: How does the sentence end?

When Neil started to stink, Christopher bought him some deodorant; 
Answer:
Neil was going through puberty.