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 hallway. Fact 2- Daniel went back to the bedroom. Fact 3- Sandra moved to the bathroom. Fact 4- Sandra journeyed to the hallway. Fact 5- Mary went back to the bedroom. Fact 6- Mary went back to the garden. Question: Where is Mary? Answer: garden
[A]: Fact 6


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


[Q]: Passage: Fact 1- Mary went to the hallway. Fact 2- Daniel travelled to the bathroom. Question: Where is Mary? Answer: hallway
[A]:
Fact 1