instruction:
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. 
question:
 "process paragraph : : Several types of gases form in the atmosphere. May come from different sources. The gases remain trapped in the atmosphere. Through the suns light the gases hold in heat and energy. Trap them in our atmosphere. The earth may become warmer this way. ", "event : May come from different sources.", "entity : several types of gases" 
answer:
 known location 


question:
 "process paragraph : : A plant or animal dies in mud or soil. The bones are all that remains. Over time the bones are covered in sediment. The sediment becomes rock. The rock becomes a fossil. ", "event : The bones are all that remains.", "entity : plant or animal" 
answer:
 not exist 


question:
 "process paragraph : : Place the water in a pot. Cover the pot with a slightly too large cover. Place a larger pot under the first. Heat water to evaporation. Water vapor will collect on the lid. Drip into the second pot as fresh water. Salt is left behind in the original pot. ", "event : Cover the pot with a slightly too large cover.", "entity : water" 
answer:

 known location 


