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.
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Question: "process paragraph : : Get the ice tray. Remove any ice cubes currently in the tray. Fill the tray with cold water. Ensure the tray is evenly filled to an appropriate level. Open the freezer. Place the tray in the freezer. Close the freezer door. Wait. ", "event : Remove any ice cubes currently in the tray.", "entity : ice tray ; tray"

Answer: unknown location

Question: "process paragraph : : The frog eggs hatch. The tadpole breaks free. Slowly, the gills disappear over the next 6 weeks. The hind legs begin to form at 8 weeks. The front legs form at 12 weeks. The tail shrinks. The mouth grows larger. The tadpole can live on land as a frog. ", "event : The tadpole breaks free.", "entity : frog eggs"

Answer: not exist

Question: "process paragraph : : Begin the party. Partake in activities. Bring out the cake. Sing "Happy Birthday!". Blow out the candles. Eat the cake. Open the presents. ", "event : Partake in activities.", "entity : cake"

Answer:
not exist