Consider the relationship given below
Road ∶ Bus ∶ Driver.
Now choose the group of words from the following which shows the same relationship as given above.
1
water ∶ ship ∶ diver
2
sky ∶ aeroplane ∶ pilot
3
paper ∶ letters ∶ reader
4
track ∶ train ∶ passenger
5
none of these