62353
Based on the phases that are involved in the system , phase change problems can be classified as : ( 1 ) solid – liquid phase change ( melting and solidification ) , ( 2 ) solid – vapor phase change ( sublimation and deposition ) , and ( 3 ) liquid – vapor phase change ( boiling / evaporation and condensation ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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