Okay so basically you just add three words to the words that the first person adds..
etc
Person 1: A long time
Person 2: ago, there lived
Person 1: a small girl
Person 3: called Ruby, she
Person 2: longed for a
Person 3: friend, maybe a
Person 1: Pony.. yes a
Person 4: Pony would suit..
Like that.
Rules:
No less than three words, no more than three.
No keeping on going etc:
Person 1: Once upon a
Person 1: time there lived
And NO saying the end or more than four words, or saying less than three words. If you can't count then don't comment.
I will start.
A long time

