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. 

Ex Input:
 "process paragraph : : Snow falls in an area for a very long time. The snow builds up for a very long time. The snow starts to become packed very firmly. The snow becomes something that's more like ice. Air pockets in the mass continue to grow smaller. The mass becomes solid and heavy enough to be called a glacier. The glacier moves because of gravity. ", "event : The snow builds up for a very long time.", "entity : glacier" 

Ex Output:
 not exist 


Ex Input:
 "process paragraph : : An animal lives a happy life. The animal gets very old. The animal dies. The animal's skeleton sinks to the bottom of an ocean. The skeleton is buried by mud. More sand and mud fall on the skeleton. Pressure increases on the skeleton from the weight of more mud. The sand and mud turn into rock. The skeleton dissolves in the water. A hole is preserved in rock that is the shape of the skeleton. ", "event : The animal gets very old.", "entity : animal" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : Human beings burn fossil fuels (oil, gas, etc.). Carbon dioxide from the burning fossil fuels enter the atmosphere. The make-up of the atmosphere changes. Some energy from the sun cannot escape back through the changed atmosphere. The earth begins to heat because of the extra trapped energy. Human beings cut down trees. Human beings do not re-plant the trees. Trees cannot help take the extra carbon dioxide from the atmosphere. The extra trapped energy starts to change the earth's short term weather. Eventually the long-term climate patterns start to change. ", "event : Carbon dioxide from the burning fossil fuels enter the atmosphere.", "entity : fossil fuels" 

Ex Output:

 not exist