4815
These results suggest that low concentrations of IL - 1 beta may be useful for nonsurgical treatment of human vitreous hemorrhage .
 GENE: IL - 1 beta
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: IL - 1 beta 
Answer:
 GENE: IL - 1 beta