With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: San Bernardino principality is in Southern California.
text_B: Southern California , often abbreviated as SoCal , is a geographic and cultural region that generally comprises California 's 10 southernmost counties .. California. California. counties. List of counties in California. The region is traditionally described as eight counties , based on demographics and economic ties  : Imperial , Los Angeles , Orange , Riverside , San Bernardino , San Diego , Santa Barbara , and Ventura .. Imperial. Imperial County, California. Los Angeles. Los Angeles County. Orange. Orange County, California. Riverside. Riverside County, California. San Bernardino. San Bernardino County. San Diego. San Diego County, California. Santa Barbara. Santa Barbara County. Ventura. Ventura, California. counties. List of counties in California. The more extensive 10-county definition , which includes Kern and San Luis Obispo counties , is also used and is based on historical political divisions .. San Luis Obispo. San Luis Obispo County. Kern. Kern County, California. counties. List of counties in California. The 8-county and 10-county definitions are not used for the greater Southern California Megaregion , one of the 11 megaregions of the United States .. California. California. megaregions of the United States. megaregions of the United States. The megaregion is more expansive , extending east into Las Vegas , Nevada and south across the Mexican border into Tijuana .. Las Vegas. Las Vegas. Nevada. Nevada. Mexican. Mexico. Tijuana. Tijuana. Southern California includes the heavily built-up urban area which stretches along the Pacific coast from Ventura through the Greater Los Angeles Area and the Inland Empire , and down to Greater San Diego .. Los Angeles. Los Angeles County. San Diego. San Diego County, California. Ventura. Ventura, California. California. California. Greater Los Angeles Area. Greater Los Angeles Area. Inland Empire. Inland Empire ( California ). Greater San Diego. Greater San Diego. Los Angeles Area. Los Angeles Area. Southern California 's population encompasses seven metropolitan areas  : the Los Angeles metropolitan area -LRB- Los Angeles and Orange counties -RRB- , the Inland Empire , -LRB- Riverside and San Bernardino counties -RRB- , the San Diego metropolitan area , the Oxnard -- Thousand Oaks -- Ventura metropolitan area , the Santa Barbara metropolitan area , the San Luis Obispo metropolitan area , and the El Centro area .. San Luis Obispo. San Luis Obispo County. Los Angeles. Los Angeles County. Orange. Orange County, California. Riverside. Riverside County, California. San Bernardino. San Bernardino County. San Diego. San Diego County, California. Santa Barbara. Santa Barbara County. Ventura. Ventura, California. California. California. counties. List of counties in California. Inland Empire. Inland Empire ( California ). Los Angeles metropolitan area. Los Angeles metropolitan area. San Diego metropolitan area. San Diego metropolitan area. El Centro. Imperial County, California. The Los Angeles area has over 12 million inhabitants , while the Riverside-San Bernardino area has over 4 million inhabitants and the San Diego area has over 3 million inhabitants .. Los Angeles. Los Angeles County. Riverside. Riverside County, California. San Bernardino. San Bernardino County. San Diego. San Diego County, California. For Community Supported Agriculture -LRB- CSA -RRB- metropolitan purposes , the five counties of Los Angeles , Orange , Riverside , San Bernardino , and Ventura , are all combined to make up the Greater Los Angeles Area with over 17.5 million people .. Los Angeles. Los Angeles County. Orange. Orange County, California. Riverside. Riverside County, California. San Bernardino. San Bernardino County. Ventura. Ventura, California. counties. List of counties in California. Greater Los Angeles Area. Greater Los Angeles Area. Los Angeles Area. Los Angeles Area. With over 22 million people , Southern California contains roughly 60 percent of California 's population .. California. California. The Colorado Desert and the Colorado River are located on Southern California 's eastern border with Arizona , and the Mojave Desert is located north on California 's Nevada border .. California. California. Nevada. Nevada. Colorado Desert. Colorado Desert. Colorado River. Colorado River. Arizona. Arizona. Mojave Desert. Mojave Desert. Southern California 's southern border is part of the Mexico -- United States border .. California. California
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