With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Burnaby was incorporated in 1895.
text_B: In taxonomy , Rhipocephalus is a genus of green algae , specifically of the Udoteaceae .. Udoteaceae. Udoteaceae. taxonomy. alpha taxonomy. genus. genus ( biology ). green algae. green algae
not_related.