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 : : Blood sugar levels increase after a meal. Cells in the pancreas release insulin. Insulin causes the body to absorb glucose from the blood. Blood sugar goes back to normal. Blood sugar is too low. The amount of insulin goes down. Cells in the pancreas release glucagon. The liver turns stored glycogen into glucose. The liver releases the glucose into the blood. Blood sugar goes back to normal. ", "event : Cells in the pancreas release insulin.", "entity : insulin" 

Ex Output:
 known location 


Ex Input:
 "process paragraph : : The moon orbits the earth. The earth orbits the sun. The moon comes between the sun and the earth. The sun is totally blocked. A solar eclipse is occurring. ", "event : The earth orbits the sun.", "entity : earth" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : Comets fly around in outer space. A comet flies close to a planet. The comet enters the planet's atmosphere. The comet crashes into the planet. The energy of the impact creates a hole on the planet. ", "event : A comet flies close to a planet.", "entity : comet" 

Ex Output:

 known location