Problem: Do "foxes' tails" and "they" point to the same thing in the following sentence?

A man's life and a horse's life are worth more than some foxes' tails ; al least *they* ought to be.

OPTIONS:
- no
- yes
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A: no

Problem: Do "Nelly" and "she" point to the same thing in the following sentence?

Our mistress hired a room for my crippled sister Nelly , and she gave her knitting and needlework when she was able to do it, and when she was ill *she* sent her dinners and many nice comfortable things and was like a mother to her.

OPTIONS:
- no
- yes
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A: no

Problem: Do "the chatbots" and "they" point to the same thing in the following sentence?

At the Loebner competition the judges couldn't figure out which respondents were the chatbots because *they* were so advanced.

OPTIONS:
- no
- yes
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A: yes

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

Paul tried to call George on the phone, but *he* wasn't successful.

OPTIONS:
- no
- yes
****
A:
no