3916
Bmi - 1 expression is elevated in most human gliomas , irrespective of grade , raising the question of whether Bmi - 1 over - expression is sufficient to promote self - renewal or tumorigenesis by CNS stem / progenitor cells .
 Anatomy: gliomas; Anatomy: CNS stem / progenitor 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: gliomas, CNS stem / progenitor cells 
Answer:
 Anatomy: gliomas; Anatomy: CNS stem / progenitor cells