Problem: How does the sentence end?

It was hard to move the table into the new apartment through the door. The 
Answer: door was too narrow.

Problem: How does the sentence end?

Kevin smiled to Robert at the wedding party even though 
Answer: Kevin received a backhanded compliment.

Problem: How does the sentence end?

She tried to remove the nail polish from her fingernails, but she used too much and the 
Answer: fingernails came off.

Problem: How does the sentence end?

The tired woman in the living room moved from the loveseat to the couch because the 
Answer:
loveseat was uncomfortable.