8176
Our results favor the possibility that the Drosophila EGF receptor DER / Egfr expressed by the EMA cells functions as a receptor for Vein .
 GENE: Drosophila EGF receptor; GENE: DER; GENE: Egfr; GENE: Vein
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: Drosophila EGF receptor, DER, Egfr, Vein 
Answer:
 GENE: Drosophila EGF receptor; GENE: DER; GENE: Egfr; GENE: Vein