3360
The areas where calcitonin is most effective in decreasing locomotor activity are located in the hypothalamus and nucleus accumbens , suggesting that these areas are the major sites of action of calcitonin in inhibiting amphetamine - induced locomotor activity .
 Chemical: calcitonin; Chemical: calcitonin; Chemical: amphetamine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: calcitonin, calcitonin, amphetamine 
Answer:
 Chemical: calcitonin; Chemical: calcitonin; Chemical: amphetamine