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

A: Fact 2
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Q: Passage: Fact 1- Sandra journeyed to the garden. Fact 2- Mary travelled to the hallway. Question: Where is Mary? Answer: hallway

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

A:
Fact 6
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