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- Sandra journeyed to the garden. Fact 2- Daniel travelled to the bathroom. Fact 3- Sandra went to the bedroom. Fact 4- Sandra travelled to the hallway. Fact 5- Sandra travelled to the office. Fact 6- Sandra went back to the garden. Question: Where is Sandra? Answer: garden
Fact 6

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

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

Fact 7