8402
A cAMP - responsive element - like ( CRE - like , TGACGTGA ) promoter sequence and a protein kinase A signaling pathway are involved in this induction , and activation of both CRE binding protein ( CREB ) and activating transcription factor - 2 ( ATF - 2 ) is required in the above process .
 GENE: protein kinase A; GENE: CRE binding protein; GENE: CREB; GENE: activating transcription factor - 2; GENE: ATF - 2
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: protein kinase A, CRE binding protein, CREB, activating transcription factor - 2, ATF - 2 
Answer:
 GENE: protein kinase A; GENE: CRE binding protein; GENE: CREB; GENE: activating transcription factor - 2; GENE: ATF - 2