A rock climber ascends.
the person is a woman
There is nothing to indicate that the rock climber is a woman.
exists e1 x1 x2.(Actor(e1,x1) & v_ascend(e1) & n_climber(x1) & of(x1,x2) & n_rock(x2))
exists p1 x1.(n_person(x1) & exists x2.((x1 = x2) & n_woman(x2)))