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

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

Example Input: Passage: Fact 1- Daniel journeyed to the kitchen. Fact 2- Daniel journeyed to the bedroom. Fact 3- Sandra moved to the garden. Fact 4- Sandra went back to the kitchen. Question: Where is Sandra? Answer: kitchen
Example Output:
Fact 4