instruction:
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.
question:
i couldn't put the pot on the shelf because it was too tall.
answer:
i, it


question:
bob collapsed on the sidewalk. soon he saw carl coming to help. he was very ill.
answer:
he


question:
the man couldn't lift his son because he was so weak.
answer:

his, he