Complex sentence: However, the wolfhound is not to be confused with being the heaviest, as its structure should be similar to that of a Greyhound, with a very broad and deep chest that tucks up.
Split into simpler sentences: However, the wolfhound is not to be confused with being the heaviest, as its structure should be similar to that of a Greyhound. The hound should have a very broad and deep chest that tucks up.