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

Answer: Fact 4


Question: Passage: Fact 1- John went back to the garden. Fact 2- John travelled to the hallway. Question: Where is John? Answer: hallway

Answer: Fact 2


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

Answer:
Fact 8