Complex sentence: Sinnoh is probably not directly connected to any other region in the Pokémon universe, much like Hoenn, and is characterized by large, snow-covered mountains (Mt. Coronet, part of a mountain range, divides Sinnoh in half).
Split into simpler sentences: Sinnoh is probably not directly connected to any other region in the Pokémon universe, much like Hoenn. It is characterized by large, snow-covered mountains (Mt. Coronet, a part of a mountain range, divides Sinnoh in half).