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 : : A larva is born. The caterpillar eats constantly until it grows bigger. The caterpillar starts to form a cocoon around itself. The caterpillar becomes a pupa. After some time the cocoon hatches. And a butterfly is born. ", "event : The caterpillar eats constantly until it grows bigger.", "entity : larva" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : An adult fish lays eggs. The eggs incubate for a few weeks or months before hatching. The young fish remain where they hatched until they are big enough to venture into the open water. The fish continue to grow. The fish reach adulthood. Reproduce continuing the cycle. ", "event : The eggs incubate for a few weeks or months before hatching.", "entity : eggs" 

Ex Output:
 not exist 


Ex Input:
 "process paragraph : : A bird picks a spot high spot, often in a tree. The bird collects bits of sticks and grass. The sticks and grasses are placed between support branches. Leaves, mud and spider webs are added to the sticks. The mud, leaves and webs glue the sticks together. The solid nest supports the eggs. ", "event : The bird collects bits of sticks and grass.", "entity : sticks and grass" 

Ex Output:

 unknown location