The brown and white dog is in the water.
A brown dog and a white dog are in the water.
One brown and white dog is not one brown dog and one white dog.
exists p1 s1 s2 x1 x2.(n_water(x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & in(x1,x2))
exists p1 s1 s2 x1 x2 x3 x4.(n_water(x4) & in(x1,x4) & subset_of(x3,x1) & n_dog(x3) & a_white(s2) & Theme(s2,x3) & subset_of(x2,x1) & n_dog(x2) & a_brown(s1) & Theme(s1,x2))