With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Afghanistan is the source of only the Hephthlite Empire.
text_B: The Kushan Empire -LRB- Κυϸανο , Kushano ; कषाण राजवश Kusan Rajavamsa ; BHS  : ; 贵霜帝国 , Kusan-xsaθr -RRB- was a syncretic empire , formed by Yuezhi , in the Bactrian territories in the early 1st century .. Bactrian. Nana ( Bactrian goddess ). Yuezhi. Yuezhi. BHS. Buddhist Hybrid Sanskrit. It spread to encompass much of Afghanistan , and then the northern parts of the Indian subcontinent at least as far as Saketa and Sarnath near Varanasi -LRB- Benares -RRB- , where inscriptions have been found dating to the era of the Kushan emperor Kanishka the Great .. Afghanistan. Afghanistan. Kanishka the Great. Kanishka the Great. Indian subcontinent. Indian subcontinent. Saketa. Saketa. Sarnath. Sarnath. Varanasi. Varanasi. Emperor Kanishka was a great patron of Buddhism ; however , as Kushans expanded southward , the deities of their later coinage came to reflect its new Hindu majority .. Buddhism. Buddhism. Hindu. Hindu. The Kushans were one of five branches of the Yuezhi confederation , a possibly Iranic or Tocharian , Indo-European nomadic people who migrated from Gansu and settled in ancient Bactria .. Yuezhi. Yuezhi. Tocharian. Tocharians. Bactria. Bactria. Iranic. Iranian peoples. Indo-European. Proto-Indo-Europeans. Gansu. Gansu. The Kushans possibly used the Greek language initially for administrative purposes , but soon began to use Bactrian language .. Bactrian. Nana ( Bactrian goddess ). Greek. Koine Greek. Greek language. Greek language. Bactrian language. Bactrian language. Kanishka sent his armies north of the Karakoram mountains , capturing territories as far as Kashgar , Khotan and Yarkant , in the Tarim Basin of modern-day Xinjiang , China .. Karakoram mountains. Karakoram. Kashgar. Kashgar. Khotan. Khotan. Yarkant. Yarkant County. Tarim Basin. Tarim Basin. Xinjiang. Xinjiang. China. China. A direct road from Gandhara to China remained under Kushan control for more than a century , encouraging travel across the Karakoram and facilitating the spread of Mahayana Buddhism to China .. Buddhism. Buddhism. China. China. Gandhara. Gandhara. spread of Mahayana Buddhism. Silk Road transmission of Buddhism. The Kushan dynasty had diplomatic contacts with the Roman Empire , Sasanian Persia , Aksumite Empire and Han China .. China. China. Roman Empire. Roman Empire. Sasanian Persia. Sasanian Empire. Aksumite Empire. Aksumite Empire. Han China. Han Dynasty. While much philosophy , art , and science was created within its borders , the only textual record of the empire 's history today comes from inscriptions and accounts in other languages , particularly Chinese .. The Kushan empire fragmented into semi-independent kingdoms in the 3rd century AD , which fell to the Sasanians invading from the west .. Sasanians. Sasanian Empire. In the 4th century , the Guptas , an Indian dynasty also pressed from the east .. Guptas. Gupta Empire. The last of the Kushan and Sasanian kingdoms were eventually overwhelmed by invaders from the north , known as the Hepthalites .. Hepthalites. Hepthalites. Historian H. G. Rawlinson states that the `` Kushana Period is a fitting prelude to the age of Guptas '' .. Guptas. Gupta Empire
related.