With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Glenn was a military test pilot.
text_B: Champagne '' is a Brazilian telenovela produced and broadcast by Rede Globo .. Rede Globo. Rede Globo. telenovela. telenovela. It premiered on 24 October 1983 and ended on 4 May 1984 , with a total of 167 episodes .. It 's the thirty first `` novela das oito '' to be aired on the timeslot .. It is created and written by Cassiano Gabus Mendes and directed by Paulo Ubiratan , Wolf Maya and Mario Marcio .
not_related.