Task: Sentence Expansion
Input (English): It is in San Diego County , California next to Oceanside , San Clemente , Cleveland National Forest , Orange County , Riverside County and Fallbrook .
Output (English): It is on the Southern California coast , in San Diego County , and bordered by Oceanside to the south , Cleveland National Forest , San Clemente , and Orange County to the north , Riverside County to the northeast , and Fallbrook to the east .