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 : : An animal lives a happy life. The animal gets very old. The animal dies. The animal's skeleton sinks to the bottom of an ocean. The skeleton is buried by mud. More sand and mud fall on the skeleton. Pressure increases on the skeleton from the weight of more mud. The sand and mud turn into rock. The skeleton dissolves in the water. A hole is preserved in rock that is the shape of the skeleton. ", "event : The animal gets very old.", "entity : animal" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : A liquid is heated from an external source. The heat causes the molecules in the liquid to increase in energy. As the molecules absorb more energy, they start to move faster. As the molecules are moving faster they are increasing in temperature. When the molecules reach a certain temperature, the boiling point, they change from liquid to gas state. As the liquid molecules go into a gaseous state, they float out into the atmosphere. When all the liquid has turned to gas, it has evaporated completely, leaving no liquid behind. ", "event : The heat causes the molecules in the liquid to increase in energy.", "entity : liquid" 

Ex Output:
 unknown location 


Ex Input:
 "process paragraph : : An isotope has too many protons. The isotope is unstable. The isotope emits radiation. The isotope decays. The isotope loses some atomic particles. The isotope turns into a different element. The isotope is finished decaying and emitting radiation. ", "event : The isotope is unstable.", "entity : isotope" 

Ex Output:

 unknown location