Data: United States, leader, Barack Obama; A Wizard of Mars, language, English language; A Wizard of Mars, country, United States; United States, ethnicGroup, Native Americans in the United States

A Wizard of Mars was published in the United States, where Barack Obama is the leader, and is written in English. Native Americans are one of the ethnic groups of the United States.

Data: A.E Dimitra Efxeinoupolis, location, Greece; Greece, leader, Nikos Voutsis; Greece, leader, Prokopis Pavlopoulos; Greece, language, Greek language

The Greek language is spoken in Greece where A.E Dimitra Efxeinoupolis is located and Nikos Voutsis and Prokopis Pavlopoulos are leaders.

Data: United States, ethnicGroup, Asian Americans; Albany, Oregon, isPartOf, Oregon; Albany, Oregon, country, United States
The Asian Americans are an ethnic group in the United States which is the location of Albany, part of Oregon.