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

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

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