With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Socrates was a classical Athenian philosopher.
text_B: Classical Greece was a period of around 200 years -LRB- 5th and 4th centuries BC -RRB- in Greek culture .. This Classical period saw the annexation of much of modern-day Greece by the Persian Empire and its subsequent independence .. Persian Empire. Achaemenid Empire. Classical Greece had a powerful influence on the Roman Empire and on the foundations of western civilization .. Roman Empire. Roman Empire. western civilization. western culture. Much of modern Western politics , artistic thought -LRB- architecture , sculpture -RRB- , scientific thought , theatre , literature , and philosophy derives from this period of Greek history .. politics. politics. architecture. Ancient Greek architecture. theatre. Theatre of ancient Greece. literature. literature. philosophy. Ancient Greek philosophy. Greek history. History of Greece. In the context of the art , architecture , and culture of Ancient Greece , the Classical period , sometimes called the Hellenic period , corresponds to most of the 5th and 4th centuries BC -LRB- the most common dates being the fall of the last Athenian tyrant in 510 BC and the death of Alexander the Great in 323 BC -RRB- .. architecture. Ancient Greek architecture. Ancient Greece. Ancient Greece. Athenian tyrant. Athenian tyranny. Alexander the Great. Alexander the Great. The Classical period in this sense follows the Archaic period and is in turn succeeded by the Hellenistic period .. Archaic period. Archaic Greece. Hellenistic period. Hellenistic period
related.