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 travelled to the bathroom. Fact 2- Daniel went to the hallway. Fact 3- John moved to the kitchen. Fact 4- Mary journeyed to the kitchen. Question: Where is John? Answer: kitchen

A: Fact 3
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Q: Passage: Fact 1- Mary went back to the kitchen. Fact 2- John went back to the office. Question: Where is John? Answer: office

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

A:
Fact 6
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