2560
Comparative analysis of the protective effects of caffeic acid phenethyl ester ( CAPE ) on pulmonary contusion lung oxidative stress and serum copper and zinc levels in experimental rat model .
 Chemical: caffeic acid phenethyl ester; Chemical: CAPE; Chemical: copper; Chemical: zinc
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: caffeic acid phenethyl ester, CAPE, copper, zinc 
Answer:
 Chemical: caffeic acid phenethyl ester; Chemical: CAPE; Chemical: copper; Chemical: zinc