With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Northeast megalopolis includes Philadelphia.
text_B: The third SEAP Games can be  :. 1963 Southeast Asian Peninsular Games , supposedly held in Cambodia but later was cancelled .. 1963 Southeast Asian Peninsular Games. 1963 Southeast Asian Peninsular Games. Cambodia. Cambodia. 1965 Southeast Asian Peninsular Games , officially held in Kuala Lumpur , Malaysia .. 1965 Southeast Asian Peninsular Games. 1965 Southeast Asian Peninsular Games. Kuala Lumpur. Kuala Lumpur. Malaysia. Malaysia
not_related.