11715
Thus , the interaction of Tat with the components of this rel / AP1 cooperative complex seems to induce quantitative and qualitative alterations of this complex as activation progresses , resulting in a decrease of IL - 2 gene transcription .
 GENE: Tat; GENE: rel; GENE: AP1; GENE: IL - 2 gene
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: Tat, rel, AP1, IL - 2 gene 
Answer:
 GENE: Tat; GENE: rel; GENE: AP1; GENE: IL - 2 gene