5038
The allel retained in each tumour was from the disease - bearing chromosome implicating BRCA1 as a tumour suppressor gene .
 Disease: tumour; Disease: tumour
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: tumour, tumour 
Answer:
 Disease: tumour; Disease: tumour