Two brown and black dogs run through the dry grass.
The dogs are chasing eachother.
Running through the grass does not mean that they are chasing  each other.
exists e1 s1 s2 s3 x1 x2.(n_grass(x2) & a_dry(s3) & Theme(s3,x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_eachother(x2))