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: the sculpture rolled off the shelf because it wasn't anchored.
Example Output: it

Example Input: the city councilmen refused the demonstrators a permit because they feared violence.
Example Output: they

Example Input: susan knew that ann's son had been in a car accident, because she told her about it.
Example Output:
she, her, it