Two people are reading something while sitting on a bench.
Two people sleep on a bench in a mall.
People reading can't be sleeping.
exists e1 e2 x1 x2 x3.(while(e1,e2) & on(e2,x3) & n_bench(x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_thing(x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_mall(x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sleep(e1) & n_people(x1) & card_eq_2(x1))