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- Daniel journeyed to the hallway. Fact 2- Sandra travelled to the kitchen. Fact 3- John journeyed to the hallway. Fact 4- Sandra travelled to the office. Fact 5- Sandra went to the hallway. Fact 6- Daniel journeyed to the office. Fact 7- Daniel went back to the bedroom. Fact 8- Sandra moved to the bedroom. Fact 9- John moved to the office. Fact 10- Daniel travelled to the kitchen. Question: Where is Daniel? Answer: kitchen
[EX A]: Fact 10

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

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