With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Little Boy was dropped by a plane.
text_B: Churchill Green is a neighborhood located within Ewing Township in Mercer County , New Jersey , United States .. County. List of counties in New Jersey. Mercer. Mercer County, New Jersey. Township. List of townships in New Jersey. Ewing. Ewing Township, New Jersey. neighborhood. Local government in New Jersey#Unincorporated communities. Ewing Township. Ewing Township, New Jersey. Mercer County. Mercer County, New Jersey. New Jersey. New Jersey
not_related.