Assertion: tractor | /r/HasProperty | driven by the engineer
Facets:
Source sentences:
text: Tractors, Explorers, Trucks, Cyber Wagons and Factory Carts can either be driven by the engineer or automated using the self driving menu (accessed by holding V while in a vehicle) and recording a path.
text: It (aka "The Sugar-Cube") is a small, wheeled vehicle which can be driven by the engineer, or automated.