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Although their location in the asteroid belt excludes them from planet status , the three largest objects , Ceres , Vesta , and Pallas , are intact protoplanets that share many characteristics common to planets , and are atypical compared to the majority of irregularly shaped asteroids .
 Ceres, Vesta, Pallas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ceres, Vesta, Pallas