Indicate all the pronouns (they, them, you, he, his, her, you, it, etc.) present in the given sentence. If there are multiple such pronouns in a sentence, then list them in the order of their first appearance in the given sentence. If a pronoun appears multiple times in a sentence, list it only once.

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

mark told pete many lies about himself, which pete included in his book. he should have been more skeptical.
himself, his, he

the cat was lying by the mouse hole waiting for the mouse, but it was too impatient.
it