Someone with curly hair is looking out the window.
There is a curtain on the window.
Just because there is a window does not mean there is a curtain.
exists e1 s1 s2 x1 x2 x3.(n_window(x3) & Time(e1,x3) & a_out(s2) & Manner(e1,s2) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & n_hair(x2) & a_curly(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1 x3.(n_window(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_curtain(x2)))