premise: Christmas Eve is the day before Christmas Day, the festival commemorating the birth of Jesus of Nazareth. Christmas Day is observed around the world, and Christmas Eve is widely observed as a full or partial holiday in anticipation of Christmas Day. Together, both days are considered one of the most culturally significant celebrations in Christendom and Western society.
hypothesis: Christmas Eve is the festival commemorating the birth of Jesus of Nazareth.
reason: It's Christmas not Christmas Eve that is the day that celebrates the birth of Jesus of Nazareth