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

Output: Fact 3


Input: Consider Input: Passage: Fact 1- Mary journeyed to the office. Fact 2- Sandra travelled to the bathroom. Question: Where is Mary? Answer: office

Output: Fact 1


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


Output: Fact 4