A bird perches in an empty window frame.
A bird gazes into an empty home
Not all empty window frames mean that there is an empty home.
exists e1 s1 x1 x2 x3.(in(e1,x2) & n_frame(x2) & of(x2,x3) & n_window(x3) & a_empty(s1) & Theme(s1,x2) & Actor(e1,x1) & v_perch(e1) & n_bird(x1))
exists e1 s1 x1 x2.(into(e1,x2) & n_home(x2) & a_empty(s1) & Theme(s1,x2) & Actor(e1,x1) & v_gaze(e1) & n_bird(x1))