A man is on a ladder which is leaning against a building.
A man is Climbing up a ladder which is leaning against a building.
Even though the man is on a ladder, he may not be climbing up it.
exists p1 x1.(exists e1 x2 x3 x4.(on(x1,x2) & against(e1,x4) & n_building(x4) & Actor(e1,x3) & v_lean(e1) & (x2 = x3) & n_ladder(x2)) & n_man(x1))
exists e1 e2 s1 x1 x2 x3 x4.(a_up(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & against(e1,x4) & n_building(x4) & Actor(e1,x3) & v_lean(e1) & (x2 = x3) & n_ladder(x2) & n_man(x1))