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


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


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