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.

Input: Consider Input: Passage: Fact 1- Sandra went to the kitchen. Fact 2- Daniel went back to the bathroom. Fact 3- Daniel journeyed to the hallway. Fact 4- Mary journeyed to the kitchen. Question: Where is Mary? Answer: kitchen

Output: Fact 4


Input: Consider Input: Passage: Fact 1- John went to the bedroom. Fact 2- John went back to the office. Question: Where is John? Answer: office

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Daniel travelled to the hallway. Fact 2- John journeyed to the hallway. Fact 3- John journeyed to the office. Fact 4- Daniel went to the kitchen. Fact 5- Daniel travelled to the hallway. Fact 6- John journeyed to the hallway. Fact 7- Daniel travelled to the kitchen. Fact 8- Daniel went back to the hallway. Fact 9- John went to the office. Fact 10- John went to the bathroom. Question: Where is John? Answer: bathroom


Output: Fact 10