3561
Zymosan - induced ROS production is higher than the formyl - methionyl - leucyl - phenylalanine ( fMLF ) - or the phorbol myristate acetate ( PMA ) - induced ROS production but is lower than the one induced by opsonized zymosan .
 Chemical: formyl - methionyl - leucyl - phenylalanine; Chemical: fMLF; Chemical: phorbol myristate acetate; Chemical: PMA
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: formyl - methionyl - leucyl - phenylalanine, fMLF, phorbol myristate acetate, PMA 
Answer:
 Chemical: formyl - methionyl - leucyl - phenylalanine; Chemical: fMLF; Chemical: phorbol myristate acetate; Chemical: PMA