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

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

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