A young woman sitting on a park bench.
The young women is walking in the park.
One cannot be sitting and walking at the same time.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_bench(x3) & of(x3,x4) & n_park(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_park(x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & in(e1,x2) & Actor(e1,x1) & v_walk(e1))