a woman has to take acat, a mouse and a dog across a river i

題目：

a woman has to take acat, a mouse and a dog across a river in a small boat. she can only take
a woman has to take acat, a mouse and a dog across a river in a small boat.
she can only take one thing with her at a time .how can she take them all across without the dog eating the cat eating the mouse?

解答：

一個女人必須帶一隻貓,一條狗和一隻老鼠在一個小船上穿過這條河,在同一時間,她只能帶走一樣東西和她自己,她怎樣能夠帶她們全部穿過而且貓和狗不會吃掉這隻老鼠.
再問： 她怎樣能夠帶她們全部穿過而且貓和狗不會吃掉這隻老鼠。