Men are working on scaffolding outside of a building while other men watch.
Men are high off the ground.
Just because men are working on building scaffolding doesn't imply they are high off the ground.
exists e1 e3 e2 x1 x2 x3 x4 x5 x6.(Theme(e3,x6) & Actor(e3,x1) & v_watch(e3) & n_thing(x6) & on(e1,e2) & while(e2,x5) & -(x5 = x1) & n_man(x1) & n_man(x1) & n_man(x5) & of(e2,x4) & n_building(x4) & r_outside(e2) & Actor(e2,x3) & v_scaffold(e2) & Actor(e1,x2) & v_work(e1) & (x1 = x2))
exists s1 x1 x2.(n_ground(x2) & off(s1,x2) & Theme(s1,x1) & a_high(s1) & n_man(x1))