Problem: How does the sentence end?

Nelson is overweight, but Dennis does not have that problem because
Answer: Nelson never works out.

Problem: How does the sentence end?

I prefer sending emails much more than I like sending letters, because the
Answer: letters are inconvenient.

Problem: How does the sentence end?

Since Tom heard a noise when he applied the brake, he decided to fix the caliper rather than the rotor, because the
Answer: caliper was noisy.

Problem: How does the sentence end?

Jennifer gets a lot of compliments for their neat front yard but not Elena as
Answer:
Elena mow's their lawn sporadically.