7807
However , both locomotion and corticoaccumbal dopamine responses to repeated amphetamine were equivalent between previously defeated rats and controls .
 Chemical: dopamine; Chemical: amphetamine
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: dopamine, amphetamine 
Answer:
 Chemical: dopamine; Chemical: amphetamine