a rock climber with it shirt off
A rock climber is not wearing a shirt.
Not wearing a shirt is the same as having his shirt off.
exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Actor(e1,x1) & v_shirt(e1) & with(x1,x2) & n_thing(x2) & n_climber(x1) & of(x1,x2) & n_rock(x2))
exists x1 x2.(-exists e1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_shirt(x3)) & n_climber(x1) & of(x1,x2) & n_rock(x2))