About: difficult surface

Premodifier: difficult
Head noun: surface

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
glass	isap:228297426	0.684698
carpet	isap:439389592	0.445238
brick	isap:222164210	0.430081
snow	isap:7802894	0.404548
aluminum	isap:346206967	0.338935
skin	isap:10725738	0.311002
gravel	isap:440510009	0.310915
grass	isap:230620086	0.278052