A man is pushing a cart down the beach.
A woman is pushing a stroller.
Either a man is pushing a cart or a woman is pushing a stroller.
exists e1 x1 x2 x3.(n_beach(x3) & down(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_cart(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_stroller(x2) & n_woman(x1))