With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Little Boy was dropped on a Japanese person.
text_B: Summit Village is an unincorporated community in El Dorado County , California .. California. California. El Dorado County. El Dorado County, California. unincorporated community. unincorporated area. It lies at an elevation of 633 feet -LRB- 193 m -RRB- .
not_related.