a man and a dog walking on the beach together.
A man is taking a walk on the beach with a dog.
man and a dog walking on the beach together is other form of man is taking a walk on the beach with a dog.
exists s1 x1 x2 x3 x4.(n_beach(x4) & a_topic(s1) & subset_of(x2,s1) & on(x2,x4) & r_together(x4) & n_walking(x2) & of(x2,x3) & n_dog(x3) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_beach(x3) & with(e1,x4) & n_dog(x4) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_walk(x2) & n_man(x1))