93
We recently showed elevated reactive oxygen species ( ROS ) , reduced urinary excretion of NO metabolites ( NOx ) , and increased NO sequestration as nitrotyrosine in various tissues in rats with lead - induced hypertension .
 Chemical: oxygen; Chemical: NO; Chemical: NO; Chemical: nitrotyrosine; Chemical: lead; Disease: hypertension
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: oxygen, NO, NO, nitrotyrosine, lead, hypertension 
Answer:
 Chemical: oxygen; Chemical: NO; Chemical: NO; Chemical: nitrotyrosine; Chemical: lead; Disease: hypertension