About: series of obstacle

Head noun: series
Postmodifier: of obstacle

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
mud pit	isap:210402795	0.589884
a-frame	isap:266566730	0.363322
jump	isap:307625257	0.356849
course	isap:388482514	0.292833
life	isap:304523371	0.282424
waterfall	isap:134632873	0.228670
tunnel	isap:393405797	0.189134
technology	isap:253899952	0.185211