1674
The protective effect of ALD was significantly reduced by dicoumarol , a QR -specific inhibitor .
 protein: QR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: QR 
Answer:
 protein: QR