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. 

Q:  "process paragraph : : Wind and water erode rocks. The wind and water pick up sediment that came off the rocks. Sediment is carried to an area by the wind, water, air, or ice. Sediment is deposited on the same spot many times. The sediment piles on top of other sediment for a long time. The sediment near the bottom is compressed by the weight of newer sediment. The sediment becomes sedimentary rock as it is pushed together by the heavy weight. ", "event : The wind and water pick up sediment that came off the rocks.", "entity : rocks" 

A:  unknown location 
****
Q:  "process paragraph : : People dig up coal from the ground. People burn coal for heat or electricity. Pollution from the coal goes into the sky. Coal pollution enters clouds. Clouds rain over an area. The polluted rain becomes acid rain. ", "event : People burn coal for heat or electricity.", "entity : coal" 

A:  not exist 
****
Q:  "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" 

A:
 not exist 
****