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

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

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