18077
Four cognitive and motor performance variables each indicated significantly lower performances of exposed individuals when confounding was considered ; slowed motor performances and deficits in attention and short - term memory were found .
 None
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:  
Answer:
 None