With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kate Beckinsale was not a student in 1993.
text_B: Legio quinta decima Apollinaris -LRB- `` Apollo 's Fifteenth Legion '' -RRB- was a legion of the Imperial Roman army .. Apollo. Apollo. legion. Roman legion. Imperial Roman army. Imperial Roman army. It was recruited by Octavian in 41 / 40 BC .. Octavian. Augustus. The emblem of this legion was probably a picture of Apollo , or of one of his holy animals .. Apollo. Apollo. legion. Roman legion. XV Apollinaris is sometimes confused with two other legions with the same number  : An earlier unit which was commanded by Julius Caesar and met its end in North Africa in 49 BC , and a later unit that was present at the Battle of Philippi on the side of the Second Triumvirate and then sent east .. Julius Caesar. Julius Caesar. Battle of Philippi. Battle of Philippi. Second Triumvirate. Second Triumvirate
not_related.