1. The tractor (2) always enters the intersection last.
  2. The tractor (2), you, as the vehicle making a left turn (3), the blue vehicle (1).
  3. The vehicle turning left (3), the blue vehicle (1), the tractor (2).
  4. You, as the vehicle making a left turn (3), followed by the tractor (2), and then the blue vehicle (1).
Picture for question 716