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

fred is the only man alive who still remembers my father as an infant. when fred first saw my father, he was twelve years old.
he was twelve years old.

john was doing research in the library when he heard a man humming and whistling. he was very annoying.
he was very annoying.

jane knocked on susan's door, but there was no answer. she was disappointed.
she was disappointed.