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 bedroom. Fact 2- John moved to the kitchen. Fact 3- John journeyed to the garden. Fact 4- Mary went back to the hallway. Question: Where is John? Answer: garden
Example Output: Fact 3

Example Input: Passage: Fact 1- Mary journeyed to the bathroom. Fact 2- Mary moved to the hallway. Question: Where is Mary? Answer: hallway
Example Output: Fact 2

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

