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


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


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