A woman in pink is standing alone in the middle of the street.
A woman is waiting for a bus.
Sentence 1 does not say that the woman is standing alone because she is waiting.
exists e1 s1 x1 x2 x3 x4.(n_street(x4) & n_middle(x3) & in(e1,x3) & of(x3,x4) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_pink(x2) & n_woman(x1))
exists e1 x1 x2.(for(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_wait(e1) & n_woman(x1))