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.

Input: Consider Input: jim yelled at kevin because he was so upset.

Output: he


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

Output: they, i, it


Input: Consider Input: john was doing research in the library when he heard a man humming and whistling. he was very annoying.


Output: he