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 back to the bedroom. Fact 2- Mary travelled to the garden. Question: Where is Mary? Answer: garden
[A]: Fact 2


[Q]: Passage: Fact 1- John travelled to the garden. Fact 2- Daniel journeyed to the bedroom. Question: Where is John? Answer: garden
[A]: Fact 1


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