The white dog is walking through the water of the incoming tide at the beach.
A cat is swimming through the incoming tide on a beach.
An animal can't be both a dog and a cat.
exists e1 s1 s2 x1 x2 x3 x4.(n_beach(x4) & n_tide(x3) & a_incoming(s2) & Theme(s2,x3) & n_water(x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1) & at(e1,x4) & through(e1,x2) & of(x2,x3) & Actor(e1,x1) & v_walk(e1))
exists e1 s1 x1 x2 x3.(n_tide(x2) & a_incoming(s1) & Theme(s1,x2) & through(e1,x2) & on(x2,x3) & n_beach(x3) & Actor(e1,x1) & v_swim(e1) & n_cat(x1))