With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jaden Smith is a singer.
text_B: A bull boat is a useful small boat , usually made by American Indians and frontiersmen , made by covering a skeletal wooden frame with a buffalo hide .. American Indians. Indigenous peoples of the Americas. buffalo. American bison. It was used for travel and fishing .
not_related.