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The highest frequency of pores was located near the outside of the filament , but the large pores were located near the center of the filament .
 machanical property: pores; material: filament; machanical property: pores; material: filament
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: pores, filament, pores, filament 
Answer:
 machanical property: pores; material: filament; machanical property: pores; material: filament