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- Mary went back to the office. Fact 2- Mary went to the bathroom. Fact 3- Mary went back to the hallway. Fact 4- John journeyed to the hallway. Fact 5- John travelled to the garden. Fact 6- Sandra went back to the office. Question: Where is Mary? Answer: hallway
[EX A]: Fact 3

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

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