2302
In addition , we identified two mutations , Delta M1281 and IVS51 + 5G - - > A , in a German USH1 patient .
 GENE: USH1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: USH1