You will be given a passage with an enumerated set of facts, a question of form 'Where is <person_name>?', and its answer. The task is to identify a supporting fact that is necessary to answer the question. The output would be the corresponding fact number.

Q: Passage: Fact 1- John went back to the kitchen. Fact 2- John moved to the office. Fact 3- John journeyed to the garden. Fact 4- Sandra journeyed to the bedroom. Fact 5- Mary went back to the garden. Fact 6- John journeyed to the bedroom. Fact 7- John went to the hallway. Fact 8- Sandra went back to the hallway. Question: Where is Sandra? Answer: hallway

A: Fact 8
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Q: Passage: Fact 1- John journeyed to the hallway. Fact 2- Daniel travelled to the office. Fact 3- Mary moved to the garden. Fact 4- Mary moved to the bedroom. Fact 5- Mary went back to the hallway. Fact 6- John journeyed to the bathroom. Fact 7- John moved to the kitchen. Fact 8- John went to the office. Question: Where is John? Answer: office

A: Fact 8
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Q: Passage: Fact 1- Sandra went to the garden. Fact 2- John journeyed to the kitchen. Fact 3- John went back to the office. Fact 4- Daniel moved to the garden. Question: Where is John? Answer: office

A:
Fact 3
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