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 journeyed to the bathroom. Fact 2- Mary travelled to the hallway. Question: Where is Mary? Answer: hallway

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Sandra moved to the office. Fact 2- John went to the kitchen. Fact 3- John travelled to the garden. Fact 4- Mary moved to the office. Question: Where is Mary? Answer: office

Output: Fact 4


Input: Consider Input: Passage: Fact 1- Mary journeyed to the bedroom. Fact 2- Sandra moved to the kitchen. Fact 3- Mary journeyed to the garden. Fact 4- Sandra moved to the garden. Fact 5- John moved to the office. Fact 6- Sandra moved to the bedroom. Question: Where is John? Answer: office


Output: Fact 5