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- Sandra went to the bathroom. Fact 2- John journeyed to the hallway. Question: Where is John? Answer: hallway
[A]: Fact 2


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


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