9057
Studies using the yeast two - hybrid system also did not provide evidence for the formation of a VDR - TR protein - protein interaction .
 GENE: VDR; GENE: TR
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: VDR, TR 
Answer:
 GENE: VDR; GENE: TR