The dog is walking on the sand beside the ocean.
A dog strolls along the beach.
Strolling is the same as walking.
exists e1 x1 x2 x3.(n_ocean(x3) & n_sand(x2) & n_dog(x1) & beside(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))
exists e1 x1 x2.(n_beach(x2) & along(e1,x2) & Actor(e1,x1) & v_stroll(e1) & n_dog(x1))