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

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

[EX Q]: Passage: Fact 1- Sandra travelled to the kitchen. Fact 2- John journeyed to the bedroom. Fact 3- Sandra journeyed to the office. Fact 4- John journeyed to the hallway. Question: Where is Sandra? Answer: office
[EX A]:
Fact 3