A black and brown dog wearing a red coat rolls in the snow.
The black dog is not wearing a coat.
The fact that a black and brown dog wearing a red coat doesn't imply that a black dog is not wearing coat.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(n_snow(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & in(x3,x5) & n_roll(x3) & of(x3,x4) & n_coat(x4) & a_red(s3) & Theme(s3,x3) & (x1 = x2) & n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & a_black(s1) & Theme(s1,x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_coat(x2)))