story: One day, my brother's king snake got out. I was looking for it all over the house. One of his friends came over. When I told him what I was looking for, he got very scared. I laughed at him, found the snake, and put it back in its cage.
 selected sentence: One day, my brother's king snake got out.
My brother's king snake finds a way out >Causes/Enables> My brother's king snake gets out