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 office. Fact 2- John went back to the bathroom. Question: Where is Mary? Answer: office
[A]: Fact 1


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


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