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 journeyed to the kitchen. Fact 2- Sandra journeyed to the garden. Fact 3- Daniel travelled to the kitchen. Fact 4- Mary moved to the bedroom. Question: Where is Sandra? Answer: garden
Example Output: Fact 2

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

Example Input: Passage: Fact 1- Mary travelled to the kitchen. Fact 2- Mary moved to the bedroom. Question: Where is Mary? Answer: bedroom
Example Output:
Fact 2