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- Sandra moved to the bedroom. Fact 2- John travelled to the office. Fact 3- Daniel travelled to the hallway. Fact 4- Mary went to the hallway. Question: Where is Daniel? Answer: hallway
[EX A]: Fact 3

[EX Q]: Passage: Fact 1- Daniel went to the bedroom. Fact 2- Mary travelled to the bathroom. Fact 3- John went back to the kitchen. Fact 4- John travelled to the hallway. Fact 5- Mary travelled to the hallway. Fact 6- John travelled to the garden. Fact 7- Sandra went to the office. Fact 8- Mary moved to the bathroom. Fact 9- Mary journeyed to the garden. Fact 10- John went to the hallway. Question: Where is John? Answer: hallway
[EX A]: Fact 10

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