4559
These results indicate that FK 506 may increase blood pressure not only by increasing ET - 1 production but also by decreasing NO synthesis in the vasculature .
 Chemical: FK 506; Chemical: NO
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: FK 506, NO 
Answer:
 Chemical: FK 506; Chemical: NO