Two sprinters are jumping over an obstacle.
Two people sleep on a bench.
People cannot be jumping while they sleep.
exists e1 x1 x2.(over(e1,x2) & n_obstacle(x2) & Actor(e1,x1) & v_jump(e1) & n_sprinter(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sleep(e1) & n_people(x1) & card_eq_2(x1))