A red dog looks at a brown dog on a dirt path next to a lake.
Two dogs bite each other.
There can be either one dog or two dogs. Looking at dirt is not the same as biting.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(at(e1,x2) & on(x2,x3) & to(x5,x6) & n_lake(x6) & next(x3,x5) & n_thing(x5) & n_path(x3) & of(x3,x4) & n_dirt(x4) & n_dog(x2) & a_brown(s2) & Theme(s2,x2) & Actor(e1,x1) & v_look(e1) & n_dog(x1) & a_red(s1) & Theme(s1,x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_bite(e1))) & n_dog(x1) & card_eq_2(x1))