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. 

Input: Consider Input:  "process paragraph : : A male and female rabbit mate. The female rabbit becomes pregnant. Baby rabbits form inside of the mother rabbit. The female rabbit gives birth to a litter. The newborn rabbits grow up to become adults. The adult rabbits find mates. ", "event : The female rabbit becomes pregnant.", "entity : baby rabbits" 

Output:  not exist 


Input: Consider Input:  "process paragraph : : Sunlight enters the atmosphere. The light reaches the oceans. The oceans are warmed. Water evaporates. Water vapor accumulates in the air. As it cools, water condenses onto particles of dust in the air. As enough water condenses, clouds are formed. ", "event : The light reaches the oceans.", "entity : sunlight" 

Output:  known location 


Input: Consider Input:  "process paragraph : : You breathe air in. Air enters bronchial tubes. Air is then split into the bronchioles of each lung. Bronchioles have alveoli which are tiny air sacs. Alveoli is surrounded by many small blood vessels. Oxygen passes through alveoli into blood vessels. Blood leaves the lungs as it travels through the body. Blood carries carbon dioxide back to the lungs. Carbon dioxide released when you exhale. ", "event : Air enters bronchial tubes.", "entity : air" 


Output:  known location