A man walks between houses
There is a man walking.
there is a man implies a man.
exists e1 x1 x2.(between(e1,x2) & n_house(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists p1 x1 x2 x3.((x1 = x2) & n_walking(x2) & of(x2,x3) & n_man(x3))