12702
Although Cd and Zn in water and sediment originated from some of the same sources , the sources of Cd or Zn in water were likely different from those in sediment .
 Chemical: Cd; Chemical: Zn; Chemical: Cd; Chemical: Zn
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Cd; Chemical: Zn; Chemical: Cd; Chemical: Zn