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.

Q: i took the water bottle out of the backpack so that it would be lighter.

A: i, it
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Q: john was doing research in the library when he heard a man humming and whistling. he was very annoying.

A: he
****
Q: jim comforted kevin because he was so upset.

A:
he
****