8870
The intron 8 enhancer region was not activated by GATA - 1 together with Sp1 in transactivation experiments in COS - 1 cells indicating the involvement of a related Sp1 protein or of another unidentified erythroid factor .
 GENE: GATA - 1; GENE: Sp1; GENE: Sp1 protein
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: GATA - 1, Sp1, Sp1 protein 
Answer:
 GENE: GATA - 1; GENE: Sp1; GENE: Sp1 protein