Problem: Mark heard Steve 's feet going down the ladder. The door of the shop closed after him. *He* ran to look out the window.
Are "He" and "Steve" the same?
****
Answer: no

Problem: Tatyana managed two guitars and a bag , and still could point out the Freemans : "Isn't it nice that *they* have come, Mama!"
Are "they" and "the Freemans" the same?
****
Answer: yes

Problem: Then he took a piece of iron the shape of the horse horse's foot , and clapped *it* on, and drove some nails through the shoe quite into its hoof, so that the shoe was firmly on
Are "it" and "piece of iron" the same?
****
Answer:
yes