Data: United States, ethnicGroup, African Americans; United States, leader, Barack Obama; A Wizard of Mars, country, United States

A Wizard of Mars was published in the United States, where Barack Obama is the leader and one of the ethnic groups is African American.

Data: DeKalb County, Georgia, country, United States

DeKalb County, Georgia is located within the United States.

Data: Arem-arem, country, Indonesia; Arem-arem, region, Javanese cuisine; Indonesia, leader, Joko Widodo; Indonesia, language, Indonesian language
The country of Indonesia commonly serves Arem-arem which is also of Javanese cuisine. Joko Widodo is the leader in Indonesia where Indonesian is spoken.