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

Example Input: Passage: Fact 1- Mary moved to the bedroom. Fact 2- Sandra moved to the garden. Fact 3- John travelled to the office. Fact 4- Sandra journeyed to the office. Question: Where is John? Answer: office
Example Output: Fact 3

Example Input: Passage: Fact 1- Daniel went to the kitchen. Fact 2- Daniel went back to the garden. Question: Where is Daniel? Answer: garden
Example Output:
Fact 2