Given the task definition, example input & output, solve the new input case.
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. 
Example:  "process paragraph : Magma rises from deep in the earth. The magma goes into volcanos. The volcanos pressure the magma upwards. The pressure causes the magma to push through the surface of the volcano. The lava cools. The lava forms new rock. New magma is pressured to the surface of the volcano. The volcano bursts through the rock the formed after the last eruption" , "event : Magma rises from deep in the earth" , "entity : magma" 
Output: known location
The process paragraph explains in steps about - the cause for volcano eruption. The event is a part of the process paragraph given. The entity lies both in process paragraph and the event. So, this is a good example.

New input case for you:  "process paragraph : : To bake a cake you first need to gather your ingredients. Preheat the oven to desired baking temperature. Grease your preferred cake pan with crisco or butter or other non-stick spray. Add eggs and vegetable oil to the dry ingredients. Stir or whisk until all the dry flour has been absorbed. Pour the batter into the greased cake pan. Place cake pan into the oven for the required time. When a toothpick inserted into the cake comes out clean, the cake is done baking. ", "event : Preheat the oven to desired baking temperature.", "entity : ingredients" 
Output:
 unknown location 