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. 

Ex Input:
 "process paragraph : : A plant produces a fruit with seeds in it. An animal eats the fruit. The animal wanders to another area. The animal defecates. The seeds are included in the waste. The seeds produce a new plant. ", "event : An animal eats the fruit.", "entity : fruit" 

Ex Output:
 not exist 


Ex Input:
 "process paragraph : : A car is filled with gasoline (gas). Someone turns the car on with a key. The car's battery produces a spark (electricity). The spark ignites the gas. The burning gas expands when it encounters air. The expanding air and gas pushes a piston out. The motion of several pistons move the crankshaft. Different parts of the car cause the motion in the crankshaft to cause the wheels to move. The wheels and the car's body can move. ", "event : Someone turns the car on with a key.", "entity : car" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : Pollution enters natural water sources such as rivers and lakes. The pollution negatively affects the water quality. The pollution negatively affects the health of plants and animals. The plants and animals have shorter, less healthy lives. The plants and animals do not reproduce very well. The number of plants and animals decreases over time. The quality of water gets worse and worse as there are no plants or animals to clean it. Eventually there is nothing living in the water and it is unusable. ", "event : The pollution negatively affects the water quality.", "entity : pollution" 

Ex Output:

 known location