9676
In mammals , the majority of cAMP functions are mediated by cAMP - dependent protein kinase ( PKA ) and exchange proteins directly activated by cAMP ( Epacs ) .
 Chemical: cAMP; Chemical: cAMP
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: cAMP, cAMP 
Answer:
 Chemical: cAMP; Chemical: cAMP