4781
In these tumors , the EWS is fused to genes encoding transcriptional activators / repressors , like Fli - 1 or erg or ATF 1 or wt1 .
 Disease: tumors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: tumors 
Answer:
 Disease: tumors