With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Season 15 of Family Guy was premiered in Canada.
text_B: The prehistory of Manila covers the Pleistocene epoch along with the Paleolithic , Neolithic , and Metal ages .. Manila. Manila. Pleistocene epoch. Pleistocene epoch. Paleolithic. Paleolithic. Neolithic. Neolithic. It also includes the age of contact with other countries like China , and ends with the period of the Kingdom of Maynila .. China. China. Kingdom of Maynila. Kingdom of Maynila. Manila is the present-day capital of the Philippines and is the second largest city in the country .. Manila. Manila. Philippines. Philippines. It is situated at 14 .. 5833 ˚ N , 120.9667 ˚ E .. It belongs to the list of cities worldwide with the highest population density of 42,858 per square kilometer .
not_related.