With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alphabet is the daughter company of GV, Verily, and X.
text_B: BlueNext was a European environmental trading exchange , considered the largest CO2 permit spot market , with headquarters in Paris , France .. exchange. Exchange ( organized market ). Paris. Paris. France. France. On October 26 , 2012 , BlueNext announced that it would close permanently its spot and derivatives trading operations as of December 5 , 2012 .
not_related.