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.

Example Input: Passage: Fact 1- John moved to the hallway. Fact 2- Mary moved to the garden. Fact 3- Daniel travelled to the garden. Fact 4- Mary went to the bathroom. Fact 5- Mary went back to the bedroom. Fact 6- John went to the kitchen. Question: Where is Mary? Answer: bedroom
Example Output: Fact 5

Example Input: Passage: Fact 1- Sandra travelled to the office. Fact 2- Sandra travelled to the bathroom. Fact 3- Mary went back to the hallway. Fact 4- Mary travelled to the bathroom. Fact 5- Daniel went to the bedroom. Fact 6- Mary went to the office. Question: Where is Mary? Answer: office
Example Output: Fact 6

Example Input: 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. Fact 7- Daniel went to the bedroom. Fact 8- Mary journeyed to the garden. Fact 9- John went to the office. Fact 10- John moved to the hallway. Question: Where is John? Answer: hallway
Example Output:
Fact 10