You will be given a definition of a task first, then some input of the task.
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. 

 "process paragraph : : Two birds meet each other. Egg is produced after fertilziation. Mother sits on egg until it hatches. Bird Hatches. Grows up. Flee the next. Starts family. Dies. ", "event : Egg is produced after fertilziation.", "entity : egg" 
Output:
 unknown location 