A brown& white greyhound dog sniffs the snow.
A dog is outside after a snowfall.
A brown& white greyhound dog refers to a dog.
exists e1 s1 s2 x1 x2 x3.(n_snow(x3) & Theme(e1,x3) & Actor(e1,x1) & v_sniff(e1) & n_dog(x1) & of(x1,x2) & n_greyhound(x2) & a_white(s2) & Theme(s2,x1) & ne_org_&(x1) & a_brown(s1) & Theme(s1,x1))
exists s1 x1 x2.(after(s1,x2) & n_snowfall(x2) & Theme(s1,x1) & a_outside(s1) & n_dog(x1))