Logic challenge 1

Father, mother, 2 daughters ,2 sons, a policeman and a thief stand on a bank. You have to make sure that all the 8 reach the other bank. However you have to do it according to the following rules.What is the minimum number of moves you can make to succed the task?

RULES:

• Only 2 people on the raft at a time

• The Father cannot stay with any of the daughters, without their Mother’s presence

• The Mother cannot stay with any of the sons, without their Father’s presence

• The thief (striped shirt) cannot stay with any family member, if the Policeman is not there

• Only the Father, the Mother and the Policeman know how to operate the raft