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: tom threw his schoolbag down to ray after he reached the bottom of the stairs.
Example Output: his, he

Example Input: the large ball crashed right through the table because it was made of styrofoam.
Example Output: it

Example Input: in the middle of the outdoor concert, the rain started falling, and it continued until 10.
Example Output:
it