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

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

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