7895
Poly ( lactic acid ) ( PLA ) and PLA grafted cellulose nanofibers ( PLA-g-CNFs ) mixture were extruded into filaments , and subsequently 3D printed into composites .
 material: PLA; material: PLA; material: cellulose; manufacturing process: extruded; material: filaments; manufacturing process: 3D printed; material: composites
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: PLA, PLA, cellulose, extruded, filaments, 3D printed, composites 
Answer:
 material: PLA; material: PLA; material: cellulose; manufacturing process: extruded; material: filaments; manufacturing process: 3D printed; material: composites