3243
Five cm H2O CPAP during nitroprusside did not further alter any of the above - mentioned variables .
 Chemical: H2O; Chemical: nitroprusside
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: H2O, nitroprusside 
Answer:
 Chemical: H2O; Chemical: nitroprusside