2607
Concerning the natural ochratoxin A contamination in cocoa by - products , the highest levels of ochratoxin A were found in the shell , cocoa powder and cocoa cake .
 Chemical: ochratoxin A; Chemical: ochratoxin A
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: ochratoxin A; Chemical: ochratoxin A