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

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

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