With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Back to the Future Part II is a painting.
text_B: Louis Pailhas , born 2 March 1926 in Foix , is a French public servant .. Foix. Foix. French. France. public servant. public servant. From December 1967 to 1982 , he was the director-general of the Ecole nationale de l'aviation civile -LRB- French civil aviation university -RRB- .. French. France. Ecole nationale de l'aviation civile. Ecole nationale de l'aviation civile
not_related.