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.

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

Ex Output:
his, he, it

Ex Input:
the drain is clogged with hair. it has to be cleaned.

Ex Output:
it

Ex Input:
my meeting started at 4:00 and i needed to catch the train at 4:30, so there wasn't much time. luckily, it was short, so it worked out.

Ex Output:
my, i, it