input: Generate an approximately fifteen-word sentence that describes all this data: A.S. Roma, ground, Stadio Olimpico; A.S. Roma, league, Serie A

sentence: A.S. Roma play in Serie A and their ground is the Stadio Olimpico.

input: Generate an approximately fifteen-word sentence that describes all this data: PolishSoviet War, commander, Joseph Stalin

sentence: Joseph Stalin was a commander during the PolishSoviet War.

input: Generate an approximately fifteen-word sentence that describes all this data: Caterpillar Inc., keyPerson, Douglas R. Oberhelman; Caterpillar Inc., location, United States; AIDAluna, owner, AIDA Cruises; AIDAluna, powerType, Caterpillar Inc.

sentence:
Douglas R. Oberhelman is the key person at Caterpillar Inc located in the US. Their engine powers the AIDAluna which is owned by AIDA Cruises.