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


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


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