input question: Sentence: Alan Shepard retired 1974-08-01.

Structured data: Alan Shepard, dateOfRetirement, "1974-08-01"

input question: Sentence: 3XN was the architect of AC Hotel Bella Sky Copenhagen which is owned by Bella Center.

Structured data: AC Hotel Bella Sky Copenhagen, owner, Bella Center; AC Hotel Bella Sky Copenhagen, architect, 3XN

input question: Sentence: Alvis Speed 25, with its 4387.0 cubic cm engine, was manufactured by, the Coventry based, Alvis Car and Engineering Company.

Structured data: Alvis Speed 25, manufacturer, Alvis Car and Engineering Company; Alvis Car and Engineering Company, foundationPlace, Coventry; Alvis Speed 25, engine, 4387.0 (cubicCentimetres)

input question: Sentence: The company Ducati is owned by Audi.

Structured data:
Audi, subsidiary, Ducati