Task: Sentence Expansion
Input (English): In 2009 , Saint Helena and its two territories received equal status under a new constitution , and the British Overseas Territory was renamed Saint Helena , Ascension and Tristan da Cunha .
Output (English): The St. Helena , Ascension , and Tristan da Cunha Constitution Order 2009 reorganized Tristan da Cunha as a constituent of the new British Overseas Territory of Saint Helena , Ascension and Tristan da Cunha , giving Tristan and Ascension equal status with Saint Helena .