With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Donald Trump's net worth was estimated at $3.5 thousand.
text_B: Sleep Armed was , in 1988 , the third full-length album by the Kalahari Surfers , the recording identity of South African musician Warrick Sony .. Kalahari Surfers. Warrick Sony. Warrick Sony. Warrick Sony. It has been called `` the best snapshot we have of South Africa at the time , right down to the jacket photo of rich surfers on Umhlanga Roxx , a posh White beach in Durban '' .
not_related.