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

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

Example Input: Passage: Fact 1- Sandra went to the kitchen. Fact 2- John journeyed to the kitchen. Fact 3- Sandra went back to the garden. Fact 4- Mary travelled to the hallway. Question: Where is John? Answer: kitchen
Example Output:
Fact 2