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


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


[Q]: Passage: Fact 1- Mary went back to the hallway. Fact 2- Daniel went back to the bedroom. Question: Where is Mary? Answer: hallway
[A]:
Fact 1