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However , provided that appropriate and sustainable pulping and fractionation processes are applied , bagasse can be utilized as a main source of cellulose nanofibrils ( CNF ) .
 concept or principle: sustainable; concept or principle: processes; material: bagasse; material: be; material: as; application: source; material: cellulose nanofibrils; material: CNF
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: sustainable, processes, bagasse, be, as, source, cellulose nanofibrils, CNF 
Answer:
 concept or principle: sustainable; concept or principle: processes; material: bagasse; material: be; material: as; application: source; material: cellulose nanofibrils; material: CNF