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- Mary travelled to the kitchen. Fact 2- Sandra moved to the office. Fact 3- Mary went back to the bedroom. Fact 4- Mary journeyed to the kitchen. Question: Where is Mary? Answer: kitchen

A: Fact 4
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Q: Passage: Fact 1- Sandra went back to the bathroom. Fact 2- Mary moved to the garden. Fact 3- Mary went back to the hallway. Fact 4- Sandra went to the office. Fact 5- John went back to the hallway. Fact 6- John travelled to the office. Fact 7- Sandra journeyed to the hallway. Fact 8- Daniel moved to the office. Fact 9- Mary went to the office. Fact 10- Sandra went to the office. Question: Where is John? Answer: office

A: Fact 6
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Q: Passage: Fact 1- Sandra went back to the bedroom. Fact 2- Mary went back to the hallway. Fact 3- Mary moved to the bathroom. Fact 4- Mary went to the hallway. Fact 5- Daniel travelled to the bathroom. Fact 6- Sandra went back to the office. Fact 7- Mary moved to the kitchen. Fact 8- John journeyed to the bathroom. Fact 9- Mary moved to the bathroom. Fact 10- Sandra went back to the kitchen. Question: Where is Mary? Answer: bathroom

A:
Fact 9
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