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

[EX Q]: Passage: Fact 1- John travelled to the office. Fact 2- Daniel went back to the bedroom. Question: Where is John? Answer: office
[EX A]: Fact 1

[EX Q]: Passage: Fact 1- Sandra journeyed to the kitchen. Fact 2- Sandra journeyed to the garden. Question: Where is Sandra? Answer: garden
[EX A]:
Fact 2