A person swimming in a pool with black goggles on.
A person is running.
A person cannot be swimming and running at the same time.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(s2,x5) & a_on(s2) & (x1 = x5) & in(x1,x3) & with(x3,x4) & n_goggles(x4) & a_black(s1) & Theme(s1,x4) & n_pool(x3) & Time(x1,x2) & n_swimming(x2) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_person(x1))