土产品的土产品

Excerpt from Born, A., Hurkens, C.A.J., Woeginger, G. (2008). The Freudenthal problem and its ramifications (Part III). Bulletin of the European Association for Theoretical Computer Science, 95, 201-219.

Originally from G. Gamow and M. Stern (1958). Puzzle-Math. Macmillan, London.

During the Nazi occupation of France four passengers were riding
in a compartment of a train rolling from Paris to Marseille: A young
and very good-looking girl, an old lady, an officer of the German occupation
forces, and a middle-aged Frenchman of indefinite profession.
None of them knew any of the others, and no conversation was
started while the train was moving south. As the train entered a tunnel,
the electric lights in the car failed, and for several minutes the four
passengers were sitting in complete darkness. Suddenly there was the
sound of a kiss, followed by the sound of the impact of somebody’s
fist against somebody’s face.

When the train came out of the tunnel, the positions of the passengers
were unchanged, but the German officer had a large bruise
under his eye. The old lady thought: “Serves him right. French girls
know how to defend themselves against the Boches.” The young girl
thought: “This German has a strange taste. Instead of kissing me,
he kissed the old hag. Well, he got what he deserved.” The German
held his hand against his injured eye, and thought: “The Frenchman
tried to kiss the girl, and when she struck out in the darkness, she
accidentally hit me in the face.”

The problem is to find out what the Frenchman thought, and what
actually had happened.

1 人必不能胜天，尤其别跟自己的身体过不去，生活要规律，慢慢来。
2 有氧运动燃烧脂肪，但是心跳要上去坚持久才行。。
3 对亲密的人太analytic伤感情，很多时候对方只不过是找个话题罢了，这种时候讲感情比讲道理重要些。我到现在才终于明白，对不起 妈妈。
4 叶公好龙下场可能是比较悲惨的。
5 道理都懂，但是必须被捅一刀才有感觉。
6 想太多，看太远很多时候谋杀了我们的幸福感,，而且，世界也不像你想象的那么运行，还是太自大吧。廉颇老矣，尚能fun否？