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 kitchen. Fact 2- Sandra travelled to the bathroom. Question: Where is Sandra? Answer: bathroom
Example Output: Fact 2

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

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