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 : : 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 : : Two birds meet each other. Egg is produced after fertilziation. Mother sits on egg until it hatches. Bird Hatches. Grows up. Flee the next. Starts family. Dies. ", "event : Egg is produced after fertilziation.", "entity : egg" 

Output:  unknown location 


Input: Consider Input:  "process paragraph : : Carbon dioxide passes through stomata in the leaves. Water is absorbed through roots. Chloroplast cells in leaves contain chlorophyll. Chlorophyll absorbs energy from sunlight. Energy splits water molecules into hydrogen and oxygen. Oxygen gets released into atmosphere. Hydrogen and carbon dioxide used to create glucose. Glucose is food for plants. ", "event : Water is absorbed through roots.", "entity : energy" 


Output:  known location