With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Paul Thomas Anderson produced a birth certificate.
text_B: Gisella Delle Grazie -LRB- b. 1 June 1868 ; fl .. 1894-5 -RRB- was an Italian composer born in Trieste .. Italian. Italians. Trieste. Trieste. Delle Grazie composed two operas , Atala -LRB- I Pellirossa -RRB- , premiered at the Teatro Balbo in Turin in 1894 , and La trecciaiuola di Firenze , premiered at the Teatro Filodrammatico in Trieste in 1895 .. Trieste. Trieste. Turin. Turin
not_related.