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: These styles is enumerated by Sun Lutang as Tàijíquán, Xíngyìquán and Bāguàzhǎng, but must also include Bājíquán and the legendary Wudang Sword.