Complex sentence: The Lhasa Apso is called the Tibetan Lion Dog after its resemblance to the Snow Lion, however it is unknown whether the dog was bred to resemble the Snow Lion or if the artistic design was influenced by the features of the dog.
Split into simpler sentences: The Lhasa Apso is called the Tibetan Lion Dog due to its resemblance to the Snow Lion. However it is unknown whether the dog was bred to resemble the Snow Lion or if the artistic design was influenced by the features of the dog.