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. 

Example Input:  "process paragraph : : He air we breathe contains oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide. Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled. Your lungs and respiratory system automatically perform this vital process, called gas exchange. ", "event : Once in the lungs, oxygen is moved into the bloodstream and carried through your body.", "entity : air" 
Example Output:  unknown location 

Example Input:  "process paragraph : : Animals eat a lot during good (warm, clear) weather. Animals gain weight. The season changes to one with bad (cold, snowy) weather. Animals find a place to hibernate. Animals enter a type of "sleep" (hibernation). Body processes slow down. The animal's heart rate and breathing rate slow. The animal loses weight more slowly than usual. The animal is able to survive not eating or drinking without hurting itself. ", "event : Animals gain weight.", "entity : animals" 
Example Output:  unknown location 

Example Input:  "process paragraph : : A butterfly lays an egg. A larvae matures inside of the egg. The caterpillar hatches from the egg. The caterpillar eats and grows. The caterpillar spins a coccoon around itself and forms into a pupa. The butterfly forms inside of the coccoon. The mature butterfly emerges from the coccoon. The butterfly mates. The female butterfly lays eggs. ", "event : A larvae matures inside of the egg.", "entity : egg ; eggs" 
Example Output:
 unknown location 

