Question:
The rock melted in the lava because it was hot.

Who is it referring to in this sentence?
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Answer:
the lava

Question:
Emily asked Anna to stir the pot, because she forgot to do it.

Who is she referring to in this sentence?
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Answer:
Emily

Question:
The man asked Mark the question again because he was curious.

Who is he referring to in this sentence?
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Answer:
The man

Question:
Katie accused Jane but she was not found guilty.

Who is she referring to in this sentence?
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Answer:
Jane