2435
Immunohistochemical studies revealed positive staining for S100 protein in all the granular cell tumors of the adult but in none of the congenital granular cell epulides .
 GENE: S100 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: S100 protein 
Answer:
 GENE: S100 protein