input question: Sentence: White Americans live in the United States.

Structured data: United States, ethnicGroup, White Americans

input question: Sentence: A Fortress of Grey Ice is from the United States and is written in the English language (spoken in Great Britain). Asian Americans live in the United States.

Structured data: United States, ethnicGroup, Asian Americans; A Fortress of Grey Ice, language, English language; English language, spokenIn, Great Britain; A Fortress of Grey Ice, country, United States

input question: Sentence: A Fortress of Grey Ice is from the United States.

Structured data: A Fortress of Grey Ice, country, United States

input question: Sentence: AIDAluna is powered by Caterpillar Inc, based in Peoria, Illinois. The key person of Caterpillar Inc. is Douglas R. Oberhelman.

Structured data:
Caterpillar Inc., keyPerson, Douglas R. Oberhelman; Caterpillar Inc., location, Peoria, Illinois; AIDAluna, powerType, Caterpillar Inc.