Data: United States, leaderTitle, President of the United States; United States, leader, Paul Ryan; 250 Delaware Avenue, location, United States; United States, ethnicGroup, White Americans

Paul Ryan is the leader of the United States governed by the President. An example of a building in the United States is 250 Delaware Avenue and an example of an ethnic group is White Americans.

Data: AZ Alkmaar, manager, John van den Brom; John van den Brom, club, De Graafschap

John van den Brom, manager of AZ Alkmaar, plays for De Graafschap.

Data: Ahmet Ertegun, genre, Rhythm and blues; Rhythm and blues, stylisticOrigin, Blues; Rhythm and blues, derivative, Disco
Ahmet Ertegun's musical genre is Rhythm and Blues, which originated from blues music. Disco also is derived from rhythm and blues.