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

Example Input: Passage: Fact 1- Sandra travelled to the bathroom. Fact 2- Mary travelled to the office. Question: Where is Mary? Answer: office
Example Output: Fact 2

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