Two brown dogs play in a snowy field.
Two dogs are playing with eacother on a snowy day.
Just because the dogs are playing doesn't mean they are playing with eacother.
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_field(x2) & a_snowy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_snowy(s1) & Theme(s1,x3) & with(e1,x2) & n_eacother(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))