Input (grade 13): The 1972 Winter Olympics, officially known as the XI Olympic Winter Games, were a winter multi-sport event which was celebrated from February 3 to February 13, 1972 in Sapporo, HokkaidÅ, Japan.
Output (grade 10): The 1972 Winter Olympics, officially known as the XI Olympic Winter Games, were celebrated in 1972 in Sapporo, Japan.