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

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

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

Fact 9