instruction:
Indicate a noun phrase from given statement which mentions a pronoun.
question:
the man couldn't lift his son because he was so weak.
answer:
he was so weak.

question:
the foxes are getting in at night and attacking the chickens. they have gotten very nervous.
answer:
they have gotten very nervous.

question:
john was doing research in the library when he heard a man humming and whistling. he was very annoyed.
answer:
he was very annoyed.