Boy sliding on a wet plastic surface
The boy is playing on a slip 'n slide.
A slip 'n slide is not the only wet plastic surface.
exists e1 s1 x1 x2 x3.(ne_nam_boy(x1) & on(e1,x2) & n_surface(x2) & of(x2,x3) & n_plastic(x3) & a_wet(s1) & Theme(s1,x2) & Actor(e1,x1) & v_slide(e1))
exists e1 x1 x2 x3 x4.(n_boy(x1) & on(e1,x2) & n_slide(x2) & of(x2,x4) & n_'n(x4) & of(x2,x3) & n_slip(x3) & Actor(e1,x1) & v_play(e1))