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 bedroom. Fact 2- Mary went back to the bedroom. Question: Where is Mary? Answer: bedroom
Fact 2

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

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

Fact 8