784
The role of DNA rearrangement and alternative RNA processing in the expression of immunoglobulin delta genes .
 GENE: immunoglobulin delta genes
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: immunoglobulin delta genes 
Answer:
 GENE: immunoglobulin delta genes