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

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

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

A:
Fact 3
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