A rock climber scaling a mountain on a very steep edge.
The edge isn't steep
If the edge isn't steep, then it can't be a very steep edge.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_edge(x5) & a_steep(s1) & Theme(s1,x5) & r_very(x5) & Theme(e1,x4) & Actor(e1,x3) & v_scale(e1) & n_mountain(x4) & (x1 = x3) & n_climber(x1) & of(x1,x2) & n_rock(x2))
exists x1.(n_edge(x1) & -exists s1.(Theme(s1,x1) & a_steep(s1)))