Can u make them cross the river?

Mother, father, two boys, two girls, a policeman and a convict. cross the river with the help of boat.

Rules for the game.

1. The convict cannot be alone with any member of the family without the policeman.
2. The father cannot be with the daugther(s) if the mother is not there.
3. The mother cannot be with the boy(s) if the father is not there.
4. Only the father, the mother and the policeman know how to sail the boat (so one of them should be on the boat on each crossing)
5. The boat holds at most 2 people

click here to play this game. …good luck

PS: Game's a japanese one...click on big blue button to start