A German Shepherd carries a small log in the water.
The German Shepherd is in a river
River is not the only source of water
exists e1 s1 s2 x1 x2 x3.(n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & in(x2,x3) & n_log(x2) & a_small(s2) & Theme(s2,x2) & ne_nam_shepherd(x1) & a_german(s1) & Theme(s1,x1))
exists p1 s1 x1.(ne_nam_shepherd(x1) & a_german(s1) & Theme(s1,x1) & exists x2.(in(x1,x2) & n_river(x2)))