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Univariate survival analysis using the log rank test showed that the survival of patients with bcl - 2 - positive tumors was significantly better than the survival of patients with bcl - 2 - negative tumors ( P = 0 . 02 ) .
 Anatomy: bcl - 2 - positive tumors; Anatomy: bcl - 2 - negative tumors
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: bcl - 2 - positive tumors, bcl - 2 - negative tumors 
Answer:
 Anatomy: bcl - 2 - positive tumors; Anatomy: bcl - 2 - negative tumors