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


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


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