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


[Q]: Passage: Fact 1- John went back to the hallway. Fact 2- Sandra journeyed to the kitchen. Question: Where is John? Answer: hallway
[A]: Fact 1


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