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 : : Water gets caught in winds that are moving upward. The water freezes. The water starts to fall. The winds are strong enough from keeping it from falling back to earth. This pattern of rising and falling continues. The hail becomes too large to be pushed up by the wind. The hail finally falls to the ground. ", "event : The water freezes.", "entity : water" 

Output:  not exist 


Input: Consider Input:  "process paragraph : : Squirrels try to eat as much as possible. Squirrel gains weight and fat. Squirrel also hides food in or near its den. Squirrels also grow a thicker coat as the weather gets colder. Squirrel lives off of its excess body fat. Squirrel uses its food stores in the winter. ", "event : Squirrel gains weight and fat.", "entity : thicker coat" 

Output:  not exist 


Input: Consider Input:  "process paragraph : : Living things have carbon in them. Living things die. The remains of living things eventually become buried underground. More physical pressure is put on the remains of living things as they become further underground. This carbon-based mixture stays underground for a long time. Humans discover this carbon-based mixture. This carbon-based mixture is brought up to the earth's surface. The recently discovered fossil fuel is burned. Burning releases the energy that has been stored in the fossil fuel. The energy can be used to generate power. ", "event : Living things die.", "entity : living things ; remains of living things" 


Output:  unknown location