1174
In addition to targeting partially assembled Ti alpha - beta CD3 gamma delta epsilon TCR complexes to the cell surface , CD3 zeta appears to be essential for interleukin - 2 production after TCR stimulation with antigen / major histocompatibility complex .
 GENE: Ti alpha - beta; GENE: CD3 gamma delta epsilon; GENE: TCR complexes; GENE: CD3 zeta; GENE: interleukin - 2; GENE: TCR; GENE: antigen / major histocompatibility complex
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: Ti alpha - beta, CD3 gamma delta epsilon, TCR complexes, CD3 zeta, interleukin - 2, TCR, antigen / major histocompatibility complex 
Answer:
 GENE: Ti alpha - beta; GENE: CD3 gamma delta epsilon; GENE: TCR complexes; GENE: CD3 zeta; GENE: interleukin - 2; GENE: TCR; GENE: antigen / major histocompatibility complex