7313
Cobalt - containing supplements are readily available in the U . S . and have been marketed to consumers as energy enhancers .
 Chemical: Cobalt
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: Cobalt 
Answer:
 Chemical: Cobalt