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- Mary went back to the kitchen. Fact 2- John went back to the office. Question: Where is John? Answer: office

Output: Fact 2


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

Output: Fact 8


Input: Consider Input: Passage: Fact 1- John travelled to the hallway. Fact 2- Mary travelled to the bathroom. Question: Where is John? Answer: hallway


Output: Fact 1