Two women are on a rock wall while others walk along a path.
Two women walk along a path, staring at an empty wall.
The rock wall cannot be empty and occupied simultaneously.
exists p1 p2 x1.(exists e1 x4 x5.(along(e1,x5) & n_path(x5) & Actor(e1,x4) & v_walk(e1) & -(x4 = x1) & n_person(x4)) & n_person(x1) & while(p1,p2) & exists x2 x3.(on(x1,x2) & n_wall(x2) & of(x2,x3) & n_rock(x3)) & n_woman(x1) & card_eq_2(x1))
exists e1 e2 s1 x1 x2 x3 x4.(at(e2,x4) & n_wall(x4) & a_empty(s1) & Theme(s1,x4) & Actor(e2,x1) & v_stare(e2) & along(e1,x3) & n_path(x3) & Theme(e1,x2) & v_walk(e1) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))