A woman in pink taking a picture.
A woman has fallen down while exercising.
woman is taking a picture or exercising.  can't do both
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & n_picture(x4) & (x1 = x3) & in(x1,x2) & n_pink(x2) & n_woman(x1))
exists e2 e1 s1 x1.(while(e1,e2) & Actor(e2,x1) & v_exercise(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_fall(e1) & n_woman(x1))