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 Q]:  "process paragraph : : You find a pen. You get a piece of paper. You write your letter. You put it in an envelope. You put the address on the front. You put a stamp on the front. You take it to the post office. ", "event : You get a piece of paper.", "entity : pen" 
[EX A]:  unknown location 

[EX Q]:  "process paragraph : : The blood sugar drops in a body. Cells in the pancrease release glucagon. The liver in response turns the glucagon into glucose. And releases it into the blood. The blood sugar levels are restored. ", "event : Cells in the pancrease release glucagon.", "entity : glucagon" 
[EX A]:  known location 

[EX Q]:  "process paragraph : : A hurricane usually starts as an organized thunderstorm activity that stretches at least 100 miles across and maintains its identity for more than 24 hours. Under the right conditions it can develop further and start to spin around a low-pressure center. If it develops it's classified as a "tropical cyclone" or "tropical depression". If the system strengthens and wind speeds rise past 39 mph, the system is dubbed a "tropical storm". If the pressure in the center drops even further and the winds really pick up and forms a clearly defined "eye" it's a hurricane. ", "event : Under the right conditions it can develop further and start to spin around a low-pressure center.", "entity : hurricane" 
[EX A]:
 not exist