14881
In PBS , while most of the drug is released from PEG - Ara - C , the dendrimer continues to release the drug in a sustained fashion .
 Chemical: PEG; Chemical: Ara - C
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: PEG, Ara - C 
Answer:
 Chemical: PEG; Chemical: Ara - C