How did Gollum first lose the Ring in the movie?

We know from the Hobbit that Gollum occasionally left his dark pool, wearing the ring, so that he could sneak up on orcs (called "goblins" in my copy)

We know from the Hobbit that Gollum occasionally left his dark pool, wearing the ring, so that he could sneak up on orcs (called "goblins" in my copy) and kill them to eat.

or:We know from the Hobbit that Gollum occasionally left his dark pool, wearing the ring, so that he could sneak up on orcs (called \"goblins\" in my copy) and kill them to eat.

Tags:dark,hobbit,