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

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

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