With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Larry Buttrose is the publisher of Cafe Royale.
text_B: Aeschronectida is an extinct order of mantis shrimp-like crustaceans which lived in the Mississippian subperiod in what is now Montana .. order. order ( biology ). mantis shrimp. mantis shrimp. Mississippian. Mississippian age
not_related.