Detailed Instructions: 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 : : A plant dies and withers. The dead plant starts to draw microbes. The microbes break down the material. Forms decay. The resulting material disappears. The plant becomes one with the soil. ", "event : The dead plant starts to draw microbes.", "entity : plant ; material" 
A:
 unknown location 