p1 = person('王建民', '男', 1.93, 95);
p2 = person('姚明', '男', 2.26, 134);
p3 = person('劉翔', '男', 1.88, 74);
p4 = person('朱木炎', '男', 1.73, 59);
myTeam = team('Greater China', '2008 Olympics, 4x100', p1, p2, p3, p4)