A walk on the beach after a storm.
A man is walking his dog.
A walk on the beach does not imply walking a dog.
exists x1 x2 x3.(n_beach(x2) & a_topic(x1) & on(x1,x2) & after(x2,x3) & n_storm(x3) & n_walk(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x2) & of(x2,x1) & n_male(x1) & n_man(x1))