26817
Types of damaged lesions frequently found inside clustered DNA damage sites include oxidized bases , abasic sites , nucleotide dimers , strand breaks or their complex combinations .
 Chemical: nucleotide dimers
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: nucleotide dimers 
Answer:
 Chemical: nucleotide dimers