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 : : Adult rabbits mate. The female becomes pregnant. The female gives birth to rabbit babies. The rabbit babies grow into adult rabbits. The new adults mate with other rabbits. Produce more rabbits. ", "event : The female becomes pregnant.", "entity : adult rabits" 
 unknown location 

 "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" 
 unknown location 

 "process paragraph : : Rain falls on wood. The rain seeps into the wood surface. It permeates the wood. When rain evaporates it leaves the wood. It takes the finish of the wood with it. The wood begins to lose it's luster. It begins to look bad. It has pieces of paint missing from the rain. It gets worse when it rains. It eventually will have no paint left. ", "event : The rain seeps into the wood surface.", "entity : rain" 

 known location