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 journeyed to the garden. Fact 2- John travelled to the office. Fact 3- Mary travelled to the hallway. Fact 4- John journeyed to the bedroom. Question: Where is John? Answer: bedroom

A: Fact 4
****
Q: Passage: Fact 1- Daniel went back to the bathroom. Fact 2- John moved to the bathroom. Question: Where is John? Answer: bathroom

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

A:
Fact 4
****