If train is called bus, bus is called tractor, tractor is called car, car is called scooter, scooter is called bicycle, bicycle is called moped, which is used to plough a field ?
Answer: D. Car
A 'tractor' is used to plough a field.
But a 'tractor' is called 'car'.
So, a 'car' will be used to plough the field.