A boy jumps near a clump of seaweed on a beach.
The boy is jumping.
Jumping is a rephrasing of jumps.
exists e1 x1 x2 x3 x4.(near(e1,x2) & of(x2,x3) & on(x3,x4) & n_beach(x4) & n_seaweed(x3) & n_clump(x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1))
exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_jump(e1))