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 : : Baby rabbits are born alive. Rabbits are (only occasionally) nursed by their mothers. Many of the babies do not survive. Larger and stronger rabbit do manage to survive. Rabbits quickly become able to have babies of their own. The rabbit lifecycle continues. The amount of rabbits stays reasonable because of predators and low survival rates for their young. ", "event : Rabbits are (only occasionally) nursed by their mothers.", "entity : rabbits" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : Cells obtain glucose and oxygen. The glucose and oxygen create carbon dioxide. The cells release energy. The cells don't have enough oxygen to repeat this. The cells obtain more oxygen from the air. The cells repeat this process. ", "event : The glucose and oxygen create carbon dioxide.", "entity : glucose and oxygen" 

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