Tan dog chasing a ball.
A dog is running.
if a dog is chasing a ball then a dog is running.
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.(Actor(e1,x1) & v_run(e1) & n_dog(x1))