A construction worker in jeans is climbing scaffolding.
A construction worker is cleaning windows.
cleaning windows may not result from climbing
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_climb(e1) & n_scaffolding(x4) & in(x1,x3) & n_jeans(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_clean(e1) & n_window(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))