Problem: How does the sentence end?

Pam's lizard caught his tail in the door and ran under the couch instead of the chair, because the 
Answer: couch was safer.

Problem: How does the sentence end?

They wanted that apartment in the city centre but bought a small apartment in the downtown instead, because the 
Answer: small apartment in the downtown is less expensive.

Problem: How does the sentence end?

At the orchard, Brian picked less apples than Joseph, because 
Answer: Joseph picked apples very quickly.

Problem: How does the sentence end?

Donald asked Christopher on how to heal a sprained ankle but 
Answer:
Christopher was clueless on the topic.