TASK DEFINITION: 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. 
PROBLEM:  "process paragraph : : Fuel is converted to energy when air and petrol mix. The car engine burns the mix of air and petrol. Hot gas from the burning pushes the pistons. The resulting energy powers the crankshaft. Crankshaft powers the gears. The gears make the wheels roll. ", "event : The car engine burns the mix of air and petrol.", "entity : air" 

SOLUTION:  not exist 

PROBLEM:  "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" 

SOLUTION:  not exist 

PROBLEM:  "process paragraph : : Warm water rises off the seas. The water condenses as it cools and gets higher in the air. Then the condensation forms into clouds. The clouds travel over areas on land. The clouds reach a saturation point. The rain falls from the clouds. ", "event : The water condenses as it cools and gets higher in the air.", "entity : warm water ; water" 

SOLUTION:
 known location 

