a woman staring off while on a bus.
A woman gets hit by a bus.
The woman can't be on a bus and getting hit by a bus at the same time.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_bus(x3) & r_while(e1) & a_off(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stare(e1) & (x1 = x2) & n_woman(x1))
exists e1 p1 x1.(exists e2 x2.(Actor(e2,x2) & n_bus(x2) & Theme(e2,x1) & v_hit(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_woman(x1))