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.

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

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

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