12697
The change of brain activity within the left anterior cingulate gyrus in all patients with co - morbid alcohol dependence and major depressive disorder was negatively correlated with the change in craving for alcohol .
 Chemical: alcohol; Chemical: alcohol
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: alcohol; Chemical: alcohol