Biblo wins the riddle bet, with a little of cheating. He aks the Gollum " What have I got in my pocket?" and the Gollum tries and tries, but fails. But the Gollum plans to eat and don't let him out and eat him. He goes to the middle of the lake to get his "precious" , which is the golden ring which makes him invisible. It is the same ring Bilbo has found. The Gollum doesn't find his ring and goes crazy mad, he suspects Biblo has stolen it. With the invisible ring, the Gollum can't find him. The Gollum thinks that the Hobbit has escaped through the exit, the hobibit follows him. He manages to get out and not been seen by the Goblins with the help of the Gollum. He manages to through a door, and reaches fresh air.