Problem: Sentence: "Joan made sure to thank Susan for all the help Susan had given."; Another sentence: "Joan made sure to thank Susan for all the help she had given."?
A: yes

Problem: Sentence: "I shall have to kill The chickens."; Another sentence: "The foxes are getting in at night and attacking the chickens. I shall have to kill them."?
A: no

Problem: Sentence: "She slept with Madonna's boyfriend."; Another sentence: "Madonna fired her trainer because she slept with her boyfriend."?
A:
yes