Dog running after another dog in a grassy field.
The dogs are swimming in the pool.
both running and swimming are different.
exists e1 s1 x1 x2 x3 x4.(n_dog(x2) & ne_nam_dog(x1) & after(e1,x3) & in(x3,x4) & n_field(x4) & a_grassy(s1) & Theme(s1,x4) & n_dog(x3) & -(x3 = x2) & Actor(e1,x1) & v_run(e1))
exists e1 x1 x2.(n_pool(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_swim(e1))