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

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

A: Fact 6
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Q: Passage: Fact 1- Sandra went to the kitchen. Fact 2- Daniel went back to the bathroom. Fact 3- Daniel journeyed to the hallway. Fact 4- Mary journeyed to the kitchen. Question: Where is Mary? Answer: kitchen

A:
Fact 4
****