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 went back to the hallway. Fact 2- Daniel moved to the garden. Fact 3- Sandra travelled to the bathroom. Fact 4- Mary went back to the office. Question: Where is Daniel? Answer: garden
[A]: Fact 2


[Q]: Passage: Fact 1- Mary went back to the office. Fact 2- John went back to the bathroom. Fact 3- John went to the hallway. Fact 4- Mary journeyed to the hallway. Fact 5- Sandra travelled to the hallway. Fact 6- Mary travelled to the office. Fact 7- Mary went back to the hallway. Fact 8- Sandra travelled to the office. Fact 9- John went to the kitchen. Fact 10- Sandra went to the hallway. Question: Where is Mary? Answer: hallway
[A]: Fact 7


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