Two dogs pass each other near some water.
Two dogs are nowhere near each other
near some water and each other are cannot be performed at a time.
exists x1.(all x2.(n_other(x2) -> exists e1 x3.(Theme(e1,x2) & Actor(e1,x1) & v_pass(e1) & near(x2,x3) & n_water(x3))) & n_dog(x1) & card_eq_2(x1))
exists p1 x1.(-exists x3.(Location(p1,x3) & n_location(x3)) & all x2.(n_other(x2) -> near(x1,x2)) & n_dog(x1) & card_eq_2(x1))