sentence: These styles are enumerated by Sun Lutang as Tàijíquán, Xíngyìquán and Bāguàzhǎng, but must also include Bājíquán and the legendary Wudang Sword.
modified: fix grammar:  styles are enumerated by Sun Lutang as Tàijíquán, Xíngyìquán and Bāguàzhǎng, but must also include Bājíquán and legendary Wudang Sword.