Three dogs are running on the grass.
The 3 dogs are being excercised by the dogwalker while their owner is at work.
The first statement does not mention a dogwalker or an owner at work.
exists e1 x1 x2.(n_grass(x2) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_3(x1))
exists e1 p1 x1 x2 x3.(n_owner(x3) & of(x3,x2) & n_thing(x2) & n_dogwalker(x2) & n_dog(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1) & exists p2 x4.(at(x3,x4) & n_work(x4)) & while(e1,p1) & Actor(e1,x2) & Theme(e1,x1) & v_excercise(e1))