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:
adam can't leave work here until bob arrives to replace him. if bob had left home for work on time, he would be gone by this time.

Ex Output:
him, he, this

Ex Input:
i poured water from the bottle into the cup until it was full.

Ex Output:
i, it

Ex Input:
joan made sure to thank susan for all the help she had recieved.

Ex Output:
she