1070
We then tested six phenotypically normal offspring from four of these VHL families two were found to carry the deletion and the other four were deletion - free .
 Disease: VHL
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: VHL 
Answer:
 Disease: VHL