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- Daniel travelled to the kitchen. Fact 2- Daniel journeyed to the garden. Fact 3- John journeyed to the office. Fact 4- John travelled to the garden. Question: Where is Daniel? Answer: garden
Example Output: Fact 2

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

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

