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 travelled to the garden. Fact 2- Daniel went to the office. Fact 3- Daniel travelled to the kitchen. Fact 4- Sandra journeyed to the kitchen. Question: Where is Daniel? Answer: kitchen

A: Fact 3
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Q: Passage: Fact 1- Mary went to the bathroom. Fact 2- John travelled to the hallway. Question: Where is Mary? Answer: bathroom

A: Fact 1
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Q: Passage: Fact 1- Sandra journeyed to the office. Fact 2- John moved to the bathroom. Fact 3- Daniel moved to the hallway. Fact 4- John moved to the hallway. Question: Where is John? Answer: hallway

A:
Fact 4
****