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 : : A reservoir is formed. The collects water converting the water's from kinectic to potential. The water is forced through a turbine under the reservoir. The turbine spins and so does the generator connected to it. The water's energy is turned into electrical energy. The transformer converts electrical energy from the generator to a high voltage. The national grid uses high voltages to transmit electricity through the power lines. ", "event : The collects water converting the water's from kinectic to potential.", "entity : reservoir" 
 unknown location 

 "process paragraph : : Electromagnet creates magnetic field with electricity. Conductive copper wire is wrapped around a piece of metal. An electric current gets introduced from power source. Flows through the wire. Magnetic field gets created in the wire. And the metal gets magnetized. When turned off it is no longer magnetic. ", "event : Conductive copper wire is wrapped around a piece of metal.", "entity : magnetic field" 
 known location 

 "process paragraph : : Get the ice tray. Remove any ice cubes currently in the tray. Fill the tray with cold water. Ensure the tray is evenly filled to an appropriate level. Open the freezer. Place the tray in the freezer. Close the freezer door. Wait. ", "event : Remove any ice cubes currently in the tray.", "entity : ice tray ; tray" 

 unknown location