Premise: San Bernardino County , officially the County of San Bernardino , is a county located in the southern portion of the U.S. state of California . Southern 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 .
Hypothesis: San Bernardino is a county located within Southern California.
Label: ENTAILMENT