a young boy sliding on the grass in an innertube
This youngster is moving fast.
Sliding on the grass does not mean moving fast.
exists e1 s1 x1 x2 x3 x4.(n_grass(x3) & a_topic(x1) & in(e1,x4) & n_innertube(x4) & on(e1,x3) & Actor(e1,x2) & v_slide(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1.(n_youngster(x1) & a_fast(s1) & Manner(e1,s1) & Actor(e1,x1) & v_move(e1))