A small boy runs barefoot on a concrete surface while holding a racket.
A boy chases after his big brother.
A small boy runs barefoot on a concrete surface while holding a racket does not indicate that he chases after his big brother.
exists e2 e1 s1 s2 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_hold(e2) & n_racket(x4) & on(e1,x3) & n_surface(x3) & a_concrete(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_barefoot(x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(a_topic(x1) & after(x1,x3) & n_brother(x3) & a_big(s1) & Theme(s1,x3) & of(x3,x1) & n_male(x1) & n_chase(x1) & of(x1,x2) & n_boy(x2))