With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Howard Hughes made Trans World Airlines more extensive.
text_B: The Girls Doubles tournament of the 2016 Badminton Asia Junior Championships was held from 13 -- 17 July .. 2016 Badminton Asia Junior Championships. 2016 Badminton Asia Junior Championships. Chinese pair Du Yue and Li Yinhui were the defending champion .. Du Yue. Du Yue. Li Yinhui. Li Yinhui
not_related.