1089
The molecular basis for commitment of progenitors to the eosinophil lineage and mechanisms by which eosinophil - specific genes are expressed and regulated during differentiation is unknown .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None