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

Answer: Fact 4


Question: Passage: Fact 1- Sandra went back to the bathroom. Fact 2- Mary moved to the garden. Fact 3- Mary went back to the hallway. Fact 4- Sandra went to the office. Question: Where is Sandra? Answer: office

Answer: Fact 4


Question: Passage: Fact 1- Sandra travelled to the office. Fact 2- Sandra travelled to the bathroom. Fact 3- Mary went back to the hallway. Fact 4- Mary travelled to the bathroom. Fact 5- Daniel went to the bedroom. Fact 6- Mary went to the office. Fact 7- Mary travelled to the hallway. Fact 8- John moved to the garden. Question: Where is Mary? Answer: hallway

Answer:
Fact 7