With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: According to the attic inscription in the Arch of Constantine , it was dedicated to the victory of Constantine .
text_B: The arch was dedicated by the Senate to commemorate the victory of Constantine ( 306–337 ) against Maxentius at the Battle of Milvian Bridge on October 28 312 , as described on its attic inscription , and officially opened on July 25 315 .
SUPPORTS.