With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Thanos is a character that appeared in Marvel-endorsed products like video games.
text_B: Inva Mula -LRB- born June 27 , 1963 -RRB- is an Albanian opera lyric soprano .. lyric soprano. lyric soprano. Albanian. Albanians. opera. opera. She began her soprano career at a very early age .. Her father -LRB- Avni Mula -RRB- and mother -LRB- Nina Mula -RRB- were also opera singers .. opera. opera. Avni Mula. Avni Mula. She is also widely known in popular culture for providing the voice of the Diva Plavalaguna in the film The Fifth Element .. The Fifth Element. The Fifth Element
not_related.