Task: Translation
Input (Chinese): 警方称，在为肯尼亚·马丁——美国国家篮球协会丹佛掘金队的前锋——举办的夜总会生日派上有一场争执，于是威廉姆斯和他的两个朋友离开了。
Output (English): Police say there was a disagreement at a nightclub birthday party for Kenyon Martin, a forward with the Denver Nuggets National Basketball Association team, and Williams and his two friends left.