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


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


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