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

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

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