Study the situation given below to answer these questions.

When my wife, son and I were travelling in a rented car through Paris on our way to a cousin’s home in the northern suburbs, I became thoroughly confused by the maze of circular and one way streets. Finally, we spotted a policeman and pulled up to ask directions. We were surprised when he removed his tall helmet, opened the back door and slid in beside our son. ‘‘It will be much easier to show you’’, he explained.

Off we went through a series of left and right turns, traffic lights and even a short jaunt up a one-way lane the wrong way. Twenty minutes later we arrived at a main interesection. ‘‘Now you will be all right’’, announced our guide. ‘‘Just turn here, stay on the road for eight or nine kilometers, and you are there’’. With that he opened the door, got out, replaced his helmet and strode briskly off.