Problem: How does the sentence end?

Our beer was homemade, but we bought wine at the store, since the 
Answer: wine is difficult to make.

Problem: How does the sentence end?

Elena was a far worse actor than Jennifer because 
Answer: Jennifer took a lot of acting classes growing up.

Problem: How does the sentence end?

After encountering the ducks, I opted to use the shotgun instead of the rifle to take them down since the 
Answer: rifle was loud.

Problem: How does the sentence end?

Lindsey confidently told Elena all the juicy details of what went on in her bedroom.  
Answer:
Elena was appalled.