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One mole is defined to contain exactly particles ( atoms , molecules , ions , or electrons ) , where the number of particles per mole is known as the Avogadro constant .
 person: Avogadro
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Avogadro 
Answer:
 person: Avogadro