28920
Though the alpha - LNA substituent has been proposed to mimic deoxyribose sugar in its conformational properties , the fully modified duplex was found to exhibit unique structural and dynamic properties with respect to the other three nucleic acid structures .
 Chemical: deoxyribose; Chemical: sugar
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: deoxyribose; Chemical: sugar