Tan dog chasing a ball.
A dog is running after a tennis ball.
Tan dog chasing a ball does not imply that it is running after a tennis ball.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_chase(e1) & n_ball(x4) & (x1 = x3) & n_dog(x1) & (x1 = x2) & ne_per_tan(x2))
exists e1 x1 x2 x3.(after(e1,x2) & n_ball(x2) & of(x2,x3) & n_tennis(x3) & Actor(e1,x1) & v_run(e1) & n_dog(x1))