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

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

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