3034
RESULTS : In the amphetamine - induced locomotion test , there were significant increases in all movements compared with the amphetamine - free group .
 Chemical: amphetamine; Chemical: amphetamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: amphetamine; Chemical: amphetamine