4965
Hydrogen sulfide increases nitric oxide production with calcium - dependent activation of endothelial nitric oxide synthase in endothelial cells .
 Chemical: Hydrogen sulfide; Chemical: nitric oxide; Chemical: calcium; Chemical: nitric oxide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Hydrogen sulfide; Chemical: nitric oxide; Chemical: calcium; Chemical: nitric oxide