27682
In addition , lithium recovery from simulated brine is successfully demonstrated , consuming 1 . 0 W h per 1 mole of lithium recovered , using water similar to that from the artificial brine , which contains various cations ( mole ratio : Na / Li =~ 15 . 7 , K / Li =~ 2 . 2 , Mg / Li =~ 1 . 9 ) .
 Chemical: lithium; Chemical: lithium; Chemical: Na; Chemical: Li; Chemical: K; Chemical: Li; Chemical: Mg; Chemical: Li
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, lithium, Na, Li, K, Li, Mg, Li 
Answer:
 Chemical: lithium; Chemical: lithium; Chemical: Na; Chemical: Li; Chemical: K; Chemical: Li; Chemical: Mg; Chemical: Li