The best player

 

Mr. Scott, his sister, his son and his daughter are all tennis players. The Following is something about them.

1. The best player's twin has a different sex with the worst player.

2. The best player and the worst player are of the same age.

Who's the best player of the four?

 

斯科特先生、他的妹妹、他的儿子，还有他的女儿，都是网球选手。关于这四人，有以下的情况：

（1） 最佳选手的孪生同胞与最差选手性别不同。

（2） 最佳选手与最差选手年龄相同。

这四人中谁是最佳选手？

 

Mr. Scott

Mr. Scott's sister

Mr. Scott's son

Mr. Scott's daughter