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 went to the bedroom. Fact 2- Daniel journeyed to the bedroom. Fact 3- Daniel journeyed to the kitchen. Fact 4- Sandra went back to the bedroom. Fact 5- Mary journeyed to the hallway. Fact 6- Daniel journeyed to the hallway. Question: Where is Daniel? Answer: hallway
Fact 6

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

Passage: Fact 1- Sandra went to the bathroom. Fact 2- Daniel went to the bedroom. Fact 3- Mary went to the garden. Fact 4- Sandra moved to the hallway. Question: Where is Sandra? Answer: hallway

Fact 4