A little boy in a green soccer uniform is running on the grass.
The little boy is moving fast on the grass.
Moving fast can also be considered running.
exists e1 s1 s2 x1 x2 x3 x4.(n_grass(x4) & on(e1,x4) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_uniform(x2) & of(x2,x3) & n_soccer(x3) & a_green(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(n_grass(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & on(e1,x2) & a_fast(s2) & Manner(e1,s2) & Actor(e1,x1) & v_move(e1))