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- Sandra travelled to the hallway. Fact 2- John journeyed to the bathroom. Fact 3- John went to the garden. Fact 4- John went to the kitchen. Question: Where is John? Answer: kitchen
[A]: Fact 4


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


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