A brown dog walks on the rocks near a river.
Brown dog enjoys near the river.
The dog walks near a river.
exists e1 s1 x1 x2 x3.(n_rock(x2) & on(e1,x2) & near(x2,x3) & n_river(x3) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_river(x2) & near(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))