Sentence: The president is the leader of the United States. The country where Albuquerque, New Mexico, is located. It is also the country where African Americans are one of the ethnic groups.

Question: What structured data could we extract from this sentence?

A: United States, ethnicGroup, African Americans; United States, leaderTitle, President of the United States; Albuquerque, New Mexico, country, United States

Sentence: Alfredo Zitarrosa started out as a solo singer.

Question: What structured data could we extract from this sentence?

A: Alfredo Zitarrosa, background, "solo singer"

Sentence: Antwerp is served by Antwerp International airport and is a popular tourist destination in Belgium where the leader is Charles Michel.

Question: What structured data could we extract from this sentence?

A:
Belgium, leader, Charles Michel; Antwerp International Airport, cityServed, Antwerp; Antwerp, country, Belgium