A woman looking at a stranger through the glass of the bus.
A woman sees someone that looks familiar through a bus window.
Just because the woman sees a stranger does not also mean she sees someone who looks familiar. The stranger could be the only person the woman on the bus sees. Also, even though we know she is looking through the glass of the bus, it could be the door, not the window.
exists e1 x1 x2 x3 x4 x5.(n_bus(x5) & n_glass(x4) & a_topic(x1) & at(e1,x3) & through(x3,x4) & of(x4,x5) & n_stranger(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_woman(x1))
exists e1 e2 p1 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_see(e2) & through(e1,x4) & n_window(x4) & of(x4,x5) & n_bus(x5) & exists s1.(Theme(s1,x3) & a_familiar(s1)) & Topic(e1,p1) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_person(x2) & n_woman(x1))