Original sentence: An unusual circumstance involves the relation of Manaphy and Phione: Manaphy will create an egg hatching into Phione, yet Phione does not evolve into Manaphy
Edited sentence: An unusual circumstance involves the relation of Manaphy and Phione: Manaphy can breed will Ditto to create an egg hatching into Phione, yet Phione does not evolve into Manaphy.Manaphy itself is obtained from an egg from Pokémon Ranger games but will never breed to produce a Manaphy egg in Pokémon Diamond and Pearl and Platinum