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: in the storm, the tree fell down and crashed through the roof of my house. now, i have to get it repaired.
Example Output: my, i, it

Example Input: joe's uncle can still beat him at tennis, even though he is 30 years younger.
Example Output: him, he

Example Input: i'm sure that my map will show this building; it is very famous.
Example Output:
i, my, this, it