1398
In particular it has been shown that dopamine D 2 - like receptors ( namely D 3 and D 2 ) could be mostly responsible for dopamine dysfunction in AD .
 Chemical: dopamine; Chemical: dopamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: dopamine; Chemical: dopamine