A boy playing outside on a slip and slide.
A boy plays outside.
A boy playing outside on a slip and slide occurs when he plays outside.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x4) & n_slide(x6) & n_slip(x5) & subset_of(x6,x4) & subset_of(x5,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_outside(x3) & (x1 = x2) & n_boy(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_boy(x1))