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

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

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

Fact 8