4378
Plasma sodium concentrations were found to be slightly increased in the Li - treated rats compared with those in controls .
 Chemical: sodium; Chemical: Li
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: sodium, Li 
Answer:
 Chemical: sodium; Chemical: Li