Task: Sentence Expansion
Input (English): The Incarnation is commemorated and celebrated each year at the Feast of the Incarnation , which is better known as the Annunciation .
Output (English): The incarnation is commemorated and celebrated each year at Christmas , and also reference can be made to the Feast of the Annunciation ; " different aspects of the mystery of the incarnation " are celebrated at Christmas and the Annunciation .