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 bathroom. Fact 3- Sandra moved to the bathroom. Fact 4- Mary travelled to the hallway. Question: Where is Mary? Answer: hallway
[EX A]: Fact 4

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

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