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

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

[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