Sentence: Douglas R Oberhelman is a key person at Caterpillar Inc. located in the United States. The company power the AIDAluna which is owned by AIDA Cruises.

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