Самурай без меча подобен самураю с мечом, но только без меча
Нашла очень прикольную штуку для проверки IQ

Rules:

1. Only 2 persons on the raft at a time
2. The father can not stay with any of the daughters without their mother’s presence
3. The mother can not stay with any of the sons without their father’s presence
4. The thief (striped shirt) can not stay with any family member if the Policeman is not there
5. Only the Father, the Mother and the Policeman know how to operate the raft

ccылка
www.robmathiowetz.com/