tripleset: Caterpillar Inc. KEY_PERSON Douglas R. Oberhelman
tripleset: AIDAluna POWER_TYPE Caterpillar Inc.
annotations.source: webnlg webnlg webnlg
annotations.text: Douglas R Oberhelman is a person at Caterpillar Inc. where the AIDAluna is manufactured. The power type of the AIDAluna is an engine manufactured by Caterpillar Inc where Douglas R Oberhelman is a key person. Douglas R. Oberhelman is a key person at Caterpillar Inc. who provide the engine power for the AIDAluna.