Sentence: Douglas R Oberhelman is a key person at Caterpillar Inc. who provide the power for AIDAluna owned by AIDA Cruises in Germany.

What data can be extracted from this sentence?
AIDA Cruises, location, Germany; Caterpillar Inc., keyPerson, Douglas R. Oberhelman; AIDAluna, owner, AIDA Cruises; AIDAluna, powerType, Caterpillar Inc.