22068
Given the findings of our study and the limitations of neurobehavioral workplace testing , we found evidence of altered neurobehavioral outcomes by occupational exposure to vanadium .
 Chemical: vanadium
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: vanadium 
Answer:
 Chemical: vanadium