745
Our experiments suggest that the SCL gene can be a target for the erythroid transcription factor GATA - 1 and that the SCL gene product serves as a positive regulator of erythroid differentiation .
 GENE: SCL gene; GENE: erythroid transcription factor GATA - 1; GENE: SCL gene product
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: SCL gene, erythroid transcription factor GATA - 1, SCL gene product 
Answer:
 GENE: SCL gene; GENE: erythroid transcription factor GATA - 1; GENE: SCL gene product