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Erythroblasts in the center of blood islands ( spherical cells in Fig . 1e ) weakly express CCN3 and their expression is mildly enhanced in later stage ( data not shown ) .
 Anatomy: Erythroblasts; Anatomy: blood islands; Anatomy: cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: Erythroblasts, blood islands, cells 
Answer:
 Anatomy: Erythroblasts; Anatomy: blood islands; Anatomy: cells