Problem: Do "The foxes" and "They" point to the same thing in the following sentence?

The foxes are getting in at night and attacking the chickens . *They* have gotten very nervous.
****
A: no

Problem: Do "chairs" and "them" point to the same thing in the following sentence?

We had hoped to place copies of our newsletter on all the chairs in the auditorium, but there were simply too many of *them* .
****
A: yes

Problem: Do "he and Tatyana" and "their" point to the same thing in the following sentence?

Grant worked hard to harvest his beans so he and his family would have enough to eat that winter, His friend Henry let him stack them in his barn where they would dry. Later, he and Tatyana would shell them and cook them for *their* Sunday dinners.
****
A: yes

Problem: Do "The sculpture" and "it" point to the same thing in the following sentence?

The sculpture rolled off the shelf because *it* wasn't level.
****
A:
no