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 garden. Question: Where is Daniel? Answer: garden
Example Output: Fact 2

Example Input: Passage: Fact 1- John journeyed to the kitchen. Fact 2- John journeyed to the garden. Question: Where is John? Answer: garden
Example Output: Fact 2

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