27675
Highly selective lithium recovery from brine using a lambda - MnO2 - Ag battery .
 Chemical: lithium; Chemical: MnO2; Chemical: Ag
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: lithium, MnO2, Ag 
Answer:
 Chemical: lithium; Chemical: MnO2; Chemical: Ag