instruction:
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. 
question:
 "process paragraph : : Electricity comes into the computer from the plug. The electricity runs the components in the computer. Electricity turns the fan to keep the components cool. Heat is released from the computer. Electricity runs the computer's display. Light is formed from the electricity. ", "event : The electricity runs the components in the computer.", "entity : electricity" 
answer:
 known location 


question:
 "process paragraph : : Air is pulled into the lungs. Oxygen moves from the lungs into the bloodstream. Air is pushed through the vocal chords. A person talks. Other air is pushed out of the lungs into the environment. ", "event : Oxygen moves from the lungs into the bloodstream.", "entity : lungs" 
answer:
 unknown location 


question:
 "process paragraph : : Water comes into contact with something made of iron. The water combines with carbon dioxide in the air to form carbonic acid. As the acid is formed, the iron starts to dissolve. Some of the water breaks down into hydrogen and oxygen. The free oxygen and dissolved iron bond together. They form iron oxide, which is rust. ", "event : The water combines with carbon dioxide in the air to form carbonic acid.", "entity : water" 
answer:

 unknown location