A white and tan dog walks on rippled sand on the beach.
The dog lies in the grassy field.
The dog cannot be on rippled sand on the beach and in a grassy field at the same time.
exists e1 s1 s2 s3 x1 x2 x3.(n_beach(x3) & on(e1,x2) & on(x2,x3) & n_sand(x2) & a_rippled(s3) & Theme(s3,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_tan(s2) & Theme(s2,x1) & a_white(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_field(x2) & a_grassy(s1) & Theme(s1,x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_lie(e1))