在一个旅馆中住着六个不同国籍的人，他们分别来自美国、德国、英国、法国、俄罗斯和意大利。他们的名字叫A、B、C、D、E和F。名字的顺序与上面的国籍不一定是相互对应的。现在已知：

1)A美国人是医生。

2)E和俄罗斯人是技师。

3)C和德国人是技师。

4)B和F曾经当过兵，而德国人从未参过军。

5)法国人比A年龄大；意大利人比C年龄大。

6)B同美国人下周要去西安旅行，而C同法国人下周要去杭州度假。

试问由上述已知条件，A、B、C、D、E和F各是哪国人？

-Six different nationalities who lived in a hotel, they were from the United States, Germany, Britain, France, Russia and Italy. Their names A, B, C, D, E and F. The above order of names corresponding to each other are not necessarily nationality. Now known: 1) A doctor Americans. 2) E and the Russian people are technicians. 3) C and German are technicians. 4) B and F had been a soldier, and the German army had never participate. 5) A larger than France Age　Italians larger than C age. 6) B with the Americans to travel next week to go to Xi' an, and C with the Frenchman on vacation next week to go to Hangzhou. How is known from the above conditions, A, B, C, D, E and F of each nationality?