Assertion: tractor | /r/HasProperty | started
Facets:
value: from the operator's seat
type: OTHER
value: safely
type: MANNER
Source sentences:
text: Many modern tractors cannot start unless the clutch pedal is depressed, but some older tractors still in use can be started while the operator is standing on the ground.
text: Tractors may be started safely only from the operator's seat.