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

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

Passage: Fact 1- Mary travelled to the bedroom. Fact 2- Daniel moved to the hallway. Question: Where is Mary? Answer: bedroom

Fact 1