A dog on a leash walks on the sidewalk while another dog follows.
A dog lays on the couch looking bored.
A dog walking on the sidewalk is not the same as a dog who passively lays on a couch.
exists e1 p1 x1 x2 x3.(n_sidewalk(x3) & exists e2 x4.(Actor(e2,x4) & v_follow(e2) & n_dog(x4) & -(x4 = x1)) & n_dog(x1) & n_dog(x1) & while(e1,p1) & on(e1,x3) & Actor(e1,x1) & v_walk(e1) & on(x1,x2) & n_leash(x2))
exists e1 e2 p1 x1 x2.(n_couch(x2) & for(e1,e2) & exists s1.(Theme(s1,x1) & a_bore(s1)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_dog(x1))