A pilot leans out the open window the cockpit to clean the window of his plane.
A pilot cleans the plane window from the cockpit.
'Leans out the open window the cockpit to clean the window of his plane' is a longer way of saying the pilot cleans the plane window from the cockpit.
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 x1 x2 x3 x4.(n_cockpit(x4) & n_window(x2) & of(x2,x3) & n_plane(x3) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & from(x2,x4) & n_pilot(x1))