19613
Tumor associated carbohydrate antigens ( TACAs ) are overexpressed on a variety of cancer cell surfaces , which present tempting targets for anticancer vaccine development .
 Chemical: carbohydrate
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: carbohydrate