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

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

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