Children in uniforms, pads and halmets play football
Children playing tennis.
Football is not same with tennis.
exists e1 x1 x2 x3 x4 x5 x6.(Theme(e1,x6) & Actor(e1,x1) & v_play(e1) & n_football(x6) & in(x1,x2) & rel(x2,x3) & subset_of(x5,x3) & n_halmet(x5) & subset_of(x4,x3) & n_pad(x4) & n_uniform(x2) & n_child(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_tennis(x3) & (x1 = x2) & n_child(x1))