Two dogs are nuzzling each other nose to nose.
The dogs are chasing a truck.
If dogs are nuzzling, they can not be chasing as well.
exists x1 x3.(n_nose(x3) & all x2.((-(x2 = x3) & n_nose(x2)) -> exists e1 x4.(to(e1,x4) & n_nose(x4) & Theme(e1,x2) & Actor(e1,x1) & v_nuzzle(e1))) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_truck(x2))