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

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

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

Fact 8