A person wearing a hat, is sitting on something yellow while fishing from a rock.
A person is driving a car.
cant be sitting while fishing and driving at the same time
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(from(e2,x7) & n_rock(x7) & while(e2,x6) & n_fishing(x6) & on(e2,x4) & Time(x4,x5) & n_yellow(x5) & n_thing(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_person(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_car(x2) & n_person(x1))