With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sharon Stone is a person.
text_B: San Miguel is a census-designated place in Contra Costa County , California .. County. List of counties in California. Contra Costa. Contra Costa County, California. census-designated place. census-designated place. Contra Costa County. Contra Costa County, California. California. California. San Miguel sits at an elevation of 249 ft. The 2010 United States census reported San Miguel 's population was 3,392 .
not_related.