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

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. Fact 7- Sandra went back to the hallway. Fact 8- John went to the bathroom. Question: Where is Mary? Answer: bedroom
Example Output: Fact 5

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