Problem: How does the sentence end?

The lawn of Amy looks much browner than Lindsey's because 
Answer: Lindsey uses a much better fertilizer.

Problem: How does the sentence end?

Kevin asked Leslie if there is a thrift store near the city centre, because 
Answer: Kevin wasn't sure.

Problem: How does the sentence end?

Jennifer's skates are much newer and more expensive than Natalie's because 
Answer: Natalie is very poor.

Problem: How does the sentence end?

Matthew made a complex graph but not Ian because 
Answer:
Matthew taught a class at an advanced level.