A brown dog walks on the rocks near a river.
Brown dog is in the streets.
The dog either walks near a a river or is in the streets.
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 p1 s1 x1 x2.(n_street(x2) & in(x1,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))