A man on a bike is walking a dog along a boardwalk.
a bird was on rocks
THE ROCKS AND BOARDWALK ARE OUTSIDE.
exists e1 x1 x2 x3 x4.(along(e1,x4) & n_boardwalk(x4) & Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & n_dog(x3) & on(x1,x2) & n_bike(x2) & n_man(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_rock(x2)) & n_bird(x1))