A pilot leans out the open window the cockpit to clean the window of his plane.
A pilot walks down the ramp.
A pilot cannot be walks down the ramp while leans out the open window the cockpit to clean the window of his plane.
exists e1 p1 s1 s2 x1 x2 x3 x4 x5.(n_plane(x5) & of(x5,x3) & n_male(x3) & n_window(x3) & n_window(x3) & a_open(s1) & Theme(s1,x3) & Topic(e1,p1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_clean(e2) & of(x3,x5)) & a_out(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_lean(e1) & n_cockpit(x4) & (x3 = x4) & n_pilot(x2) & n_pilot(x1))
exists e1 s1 x1 x2.(n_ramp(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_pilot(x1))