16307
The mean metal concentrations in the Ulva tissue from the river and the lake decreased in the following order : Mn > Zn > Cr > Cu > Co and Mn > Cr > Zn > Cu > Co , respectively .
 Chemical: Mn; Chemical: Zn; Chemical: Cr; Chemical: Cu; Chemical: Co; Chemical: Mn; Chemical: Cr; Chemical: Zn; Chemical: Cu; Chemical: Co
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: Mn, Zn, Cr, Cu, Co, Mn, Cr, Zn, Cu, Co 
Answer:
 Chemical: Mn; Chemical: Zn; Chemical: Cr; Chemical: Cu; Chemical: Co; Chemical: Mn; Chemical: Cr; Chemical: Zn; Chemical: Cu; Chemical: Co