3 men are working on a boat.
3 men are sleeping on a boat.
The men cannot be working while sleeping.
exists e1 x1 x2.(on(e1,x2) & n_boat(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))
exists e1 x1 x2.(on(e1,x2) & n_boat(x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))