A brown and white dog is walking next to a man on a skateboard.
A dog is next to a skateboarder
dog is walking next to a man on a skateboard simply means dog is next to a skateboarder
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_skateboard(x3) & to(e1,x2) & n_man(x2) & r_next(e1) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))
exists s1 x1 x2.(to(s1,x2) & n_skateboarder(x2) & Theme(s1,x1) & a_next(s1) & n_dog(x1))