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These accordion-like sinusoidal architectures exhibit an enhancement in the stretchability of the cellular materials even for those samples fabricated from brittle polymers .
 engineering feature: stretchability; material: cellular materials; concept or principle: samples fabricated; machanical property: brittle
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: stretchability, cellular materials, samples fabricated, brittle 
Answer:
 engineering feature: stretchability; material: cellular materials; concept or principle: samples fabricated; machanical property: brittle