Men painting a bench in a park.
Men are sitting on a bench
the men have to be either sitting on bench or painting it.
all x1.(n_bench(x1) -> exists x2 x3 x4.(a_topic(x2) & in(x2,x4) & n_park(x4) & for(x2,x1) & n_painting(x2) & of(x2,x3) & n_man(x3)))
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))