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 moved to the hallway. Fact 2- Mary moved to the garden. Fact 3- Daniel travelled to the garden. Fact 4- Mary went to the bathroom. Question: Where is John? Answer: hallway
Example Output: Fact 1

Example Input: Passage: Fact 1- John went to the bedroom. Fact 2- John went back to the office. Fact 3- Daniel moved to the bathroom. Fact 4- Mary journeyed to the garden. Question: Where is Daniel? Answer: bathroom
Example Output: Fact 3

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

