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.

Passage: Fact 1- John moved to the hallway. Fact 2- Mary moved to the garden. Fact 3- Daniel travelled to the garden. Fact 4- Mary went to the bathroom. Question: Where is John? Answer: hallway
Fact 1

Passage: Fact 1- Daniel journeyed to the hallway. Fact 2- Sandra travelled to the kitchen. Fact 3- John journeyed to the hallway. Fact 4- Sandra travelled to the office. Fact 5- Sandra went to the hallway. Fact 6- Daniel journeyed to the office. Question: Where is Sandra? Answer: hallway
Fact 5

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

Fact 6