You will be given a definition of a task first, then some input of the task.
In this task, you are given a paragraph, event and an entity. The event is part of the given paragraph and it changes the state of the entity. Your task is to classify the state of the entity into three classes: 1) not exist, 2) unknown location and 3) known location. "not exist" means the entity doesn't exist in that state anymore. "unknown location" means the entity exists in that state but location is unknown. "known location" means the entity exists and location is known. 

 "process paragraph : : Oil is gathered through mining operations. The oil is transported to stores. Oil is purchased by homeowners. Oil is placed into a stove in the house. The oil is lit on fire, and burns for a long time. The warm air off of the oil travels through the house. ", "event : The oil is transported to stores.", "entity : oil" 
Output:
 known location 