A dog performs a slalom-like obstacle while the owner walks along side.
A border collie is with it's owner.
Not all dogs are a border collie.
exists e1 p1 s1 x1 x2 x3.(n_owner(x3) & exists e2 x4.(along(e2,x4) & n_side(x4) & Actor(e2,x3) & v_walk(e2)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_obstacle(x2) & a_slalom-like(s1) & Theme(s1,x2) & n_dog(x1))
exists p1 p2 x1 x2 x3.(exists x4.((x1 = x4) & n_owner(x4)) & with(x3,x1) & n_thing(x1) & (x1 = x3) & n_collie(x1) & of(x1,x2) & n_border(x2))