28679
Synthesized compounds were evaluated for their in vitro antimicrobial activities against two Gram - positive bacteria , three Gram - negative bacteria as well as four fungi .
 None
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:  
Answer:
 None