A brown and white dog is standing in the river by the bank.
A brown and white dog stands on the river bank watching its master.
Standing by the bank of a river doesn't imply watching its master.
exists e1 s1 s2 x1 x2 x3.(n_bank(x3) & n_river(x2) & by(e1,x3) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))
exists e1 e2 s1 s2 x1 x2 x3 x4.(n_master(x4) & of(x4,x2) & n_thing(x2) & n_bank(x2) & of(x2,x3) & n_river(x3) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_watch(e2) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))