A man walks though an arch.
A girl sleeps on a bench.
The sleeping Girl is in contradiction to the man in first sentence who is walking.
exists e1 x1 x2 x3.(a_topic(x1) & though(x1,x3) & n_arch(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sleep(e1) & n_girl(x1))