Problem: How does the sentence end?

The arthritis that my mother had was more severe than the flu my father had because the 
Answer: arthritis couldn't be cured.

Problem: How does the sentence end?

My back hurt more after sitting in the theater than sitting at the restaurant because the chairs at the 
Answer: theater were uncomfortable.

Problem: How does the sentence end?

Randy liked to exercise but Logan liked to chill, so 
Answer: Logan bought a Netflix membership.

Problem: How does the sentence end?

Christine manufactured cowboy boots and Patricia needed a new boots, so 
Answer:
Christine made a pair.