Sentence: AIDA Cruises, located in Rostock, is the owner of the AIDAluna which is powered by Caterpillar Inc. Caterpillar, Inc., at which Douglas R. Oberhelman is a key person, was founded in California.

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