With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tori Kelly is a engineer.
text_B: Habia una vez ... is the fifth album of Enanitos Verdes published in 1989 .. Enanitos Verdes. Enanitos Verdes. This was the album announcing the dissolution of the group .. Marciano Cantero began his career as a soloist .. Marciano Cantero. Marciano Cantero. This disc was dedicated to Roberto Cirigliano , who was his press agent who died in an accident .
not_related.