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

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

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