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 went to the hallway. Fact 2- Daniel moved to the garden. Question: Where is Daniel? Answer: garden
[EX A]: Fact 2

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

[EX Q]: Passage: Fact 1- Daniel travelled to the bathroom. Fact 2- Sandra moved to the hallway. Question: Where is Sandra? Answer: hallway
[EX A]:
Fact 2