Problem: How does the sentence end?

Mary skipped her fencing class so she could attend the karate demonstration, because she found the 
Answer: class boring.

Problem: How does the sentence end?

The treatment that I had for my skin failed because the 
Answer: skin was not accepting it.

Problem: How does the sentence end?

Brian bet a lot of money on the sports while Leslie bet a small amount beacuse 
Answer: Brian knew a lot about sports.

Problem: How does the sentence end?

Sarah would have loved to raise backyard chickens like Carrie, because 
Answer:
Carrie lived on a farm.