Problem: Although they ran at about the same speed, Sue beat Sally because *she* had such a bad start.

Do "she" and "Sally" mean the same thing?

Answer: yes

Problem: The foxes are getting in at night and attacking the chickens . *They* have gotten very bold.

Do "They" and "The foxes" mean the same thing?

Answer: yes

Problem: The boy continued to whip the pony , and eventually the pony threw him over. John laughed out quite loud. "Served *him* right," he said.

Do "him" and "pony" mean the same thing?

Answer:
no