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


[Q]: Passage: Fact 1- Mary journeyed to the bathroom. Fact 2- Mary moved to the hallway. Fact 3- Daniel moved to the bathroom. Fact 4- Sandra went back to the bathroom. Question: Where is Mary? Answer: hallway
[A]: Fact 2


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