Problem: How does the sentence end?

Being a teacher is not easy and has its rewards and downsides. Penny thought the 
Answer: rewards outweighed the downsides but John thought the downsides were worse.

Problem: How does the sentence end?

Justin went to see William who was a therapist, and 
Answer: Justin told them all about their problems.

Problem: How does the sentence end?

John rubbed his white handkerchief over the rusty rod and it got the 
Answer: rod  clean.

Problem: How does the sentence end?

Ryan was elated when the seeds grew for Leslie's pot, but 
Answer:
Leslie despised their growth.