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.
One example is below.
Q: the user changed his password from grwqwu8jyc toÂ willow-towered canopy huntertropic wrestles as it was easy to remember.
A: his, it
Rationale: In this statement, 'it' is the pronoun used for password, and 'his' is used for the user.
Q: sid explained his theory to mark but he couldn't convince him.
A:
his, he, him