Problem: How does the sentence end?

Sarah tried to open the soup can's lid using a can opener but found that the 
Answer: lid was too large.

Problem: How does the sentence end?

Natalie became much weaker than Betty after 
Answer: Betty spent a year in the gym doing strength training.

Problem: How does the sentence end?

Eric wanted to grow carrots and potatoes so they asked Dennis for help because 
Answer: Eric  had no experience.

Problem: How does the sentence end?

At the school, the students enjoyed soccer practice more than basketball practice. This is because the 
Answer:
basketball practice was boring.