TASK DEFINITION: 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.
PROBLEM: frank felt vindicated when his longtime rival bill revealed that he was the winner of the competition.

SOLUTION: his, he

PROBLEM: jim yelled at kevin because he was so upset.

SOLUTION: he

PROBLEM: i was trying to open the lock with the key, but someone had filled the keyhole with chewing gum, and i couldn't get it out.

SOLUTION:
i, it