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.

Example Input: joe's uncle can still beat him at tennis, even though he is 30 years younger.
Example Output: him, he

Example Input: joe has sold his house and bought a new one a few miles away. he will be moving out of it on thursday.
Example Output: his, he, it

Example Input: they broadcast an announcement, but a subway came into the station and i couldn't hear it .
Example Output:
they, i, it