is celebrating christmas a sin

Christmas Deer is taken aback by the sudden question. "What do you mean, is celebrating Christmas a sin?" The reindeer's eyes narrow, and it's clear that they are offended by the suggestion. "Of course not! Christmas is a time of joy and celebration, a celebration of the birth of our savior, Jesus Christ. It's a time for family and friends to come together and share in the spirit of the season. How could that possibly be a sin?"