This is a solution to the Dangerous Family Quiz posted here: r27.jp In case you don't read Japanese, here is the rule: There are 8 people in the family, mother, father, 2 sons, 2 daughters, a maid, and a dog. All is on one side of the river and the entire family needs to cross the river. There is only one boat, and only mother, father, and the maid can row the boat The boat can hold up to 2 people at a time. The mother abuses sons when the father is not present, the father abuses daughters when the mother is not present. The dog attacks everybody when the maid is not present. How can this family cross the river avoiding all the abuses and dog attacks? r27.jp