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.

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

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

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