Which best identifies an example of Free Verse?

1. Row, Row, Row your boat,
Gently down the stream.
Merrily, Merrily, Merrily, Merrily,
Life is but a dream

2. Twinkle, Twinkle, Little Star
How i wonder what you are!

3. Star Light, Star Bright
First Star I See Tonight

4. Wind
Blowing Briskly
Leaves Fall
From
The
Trees

PLEASE HELP! THANK YOU