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 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- Mary moved to the bedroom. Fact 2- Sandra travelled to the garden. Fact 3- Sandra journeyed to the kitchen. Fact 4- Sandra moved to the garden. Question: Where is Sandra? Answer: garden
[EX A]: Fact 4

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