A man has to get a fox, a chicken, and a sack of corn across a river. He has a rowboat, and it can only carry him and one other thing. If the fox and the chicken are left together, the fox will eat the chicken. If the chicken and the corn are left together, the chicken will eat the corn.
How does the man do it?
1) Man carries chicken to other side
2) Man returns alone and takes fox to the other side
3) Man leaves fox but returns with chicken.
4) Man leaves chicken and carries corn to the other side
5) Man leaves corn with fox and returns alone
6) Man gets chicken and takes it to the other side
