About: african-american president

Premodifier: african-american
Head noun: president

Same concepts
http://dbpedia.org/resource/Black_president

Broader concepts

label	provenance	confidence
momentous occasion	isap:411225112	0.618306
significant event	isap:16127861	0.612481
step	isap:151991147	0.396197
event	isap:16127873	0.304042

Narrower concepts

label	provenance	confidence