Indicate a noun phrase from given statement which mentions a pronoun.

Example Input: paul tried to call george on the phone, but he wasn't available.
Example Output: he wasn't available.

Example Input: the cat was lying by the mouse hole waiting for the mouse, but it was too impatient.
Example Output: it was too impatient.

Example Input: the dog chased the cat, which ran up a tree. it waited at the bottom.
Example Output:
it waited