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 went back to the garden. Fact 2- Sandra went back to the bedroom. Fact 3- Sandra went to the bathroom. Fact 4- John went back to the kitchen. Question: Where is John? Answer: kitchen

Answer: Fact 4


Question: Passage: Fact 1- Sandra went to the bedroom. Fact 2- John went to the hallway. Question: Where is Sandra? Answer: bedroom

Answer: Fact 1


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

Answer:
Fact 4