A brown dog is standing in the water.
a dog takes a  nap in the park
The dog cannot be standing and taking a nap at the same time.
exists e1 s1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_park(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & n_dog(x1))