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 : : A forest fire starts. The fire surrounds the vicinity. The animals are trapped. Those that survive have their habitat destroyed. The survivors must find a new habitat. Conflict with other animals occur. ", "event : The fire surrounds the vicinity.", "entity : forest fire" 

Output:  known location 


Input: Consider Input:  "process paragraph : : Baby rabbits are born alive. Rabbits are (only occasionally) nursed by their mothers. Many of the babies do not survive. Larger and stronger rabbit do manage to survive. Rabbits quickly become able to have babies of their own. The rabbit lifecycle continues. The amount of rabbits stays reasonable because of predators and low survival rates for their young. ", "event : Rabbits are (only occasionally) nursed by their mothers.", "entity : rabbits" 

Output:  unknown location 


Input: Consider Input:  "process paragraph : : Blood is sent to the liver. The liver uses chemicals and proteins to treat the blood. The blood is cleaned. Energy is produced. The blood leaves the liver cleaned. ", "event : The liver uses chemicals and proteins to treat the blood.", "entity : blood" 


Output:  known location