They are almost the same in that the actions include riding and performing tricks using a board.라는문장에서요 in tha은 문장내에서어떤역할을하나요 접속사인가요? 관계대명사인가요? 아니면그냥뒷문장연결해주는숙어같은건가욥,? 알려주세요ㅠㅠ