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

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

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