The man on the bike is riding next to a man holding a dog.
A man holding a dog.
A repeat due to the shock of seeing a man holding a dog.
exists e1 e2 x1 x2 x3 x4.(n_bike(x2) & to(e1,x1) & Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_dog(x4) & (x1 = x3) & n_man(x1) & n_man(x1) & r_next(e1) & Actor(e1,x1) & v_ride(e1) & on(x1,x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_dog(x3) & (x1 = x2) & n_man(x1))