A mountain climber scales a steep rock face.
A mountain climber is trying to reach the top of a mountain.
Scales a steep rock face does not imply trying to reach the top of a mountain.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_scale(e1) & n_face(x3) & of(x3,x4) & n_rock(x4) & a_steep(s1) & Theme(s1,x3) & n_climber(x1) & of(x1,x2) & n_mountain(x2))
exists e1 p1 x1 x2 x3.(n_top(x3) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x4.(Theme(e2,x3) & Actor(e2,x1) & v_reach(e2) & of(x3,x4) & n_mountain(x4)) & n_climber(x1) & of(x1,x2) & n_mountain(x2))