Here is a possible concise summary:
A Jewish man named Reza escapes death by pretending to be a Persian and teaching fake Farsi to a Nazi officer named Koch, who plans to move to Iran after the war. Reza invents words from Jewish names and tries to survive in the camp, while Koch becomes obsessed with learning the language. When the Allies approach, Reza flees to their base and Koch is arrested in Iran for speaking gibberish.
Here are the key facts extracted from the text:
1. The text is a summary of a movie called "The Persian Lessons" set in France in 1942.
2. The main character is a Jewish man who pretends to be a Persian to avoid being killed by the Nazis.
3. He teaches a fake version of Farsi to an officer named Koch who wants to open a restaurant in Iran after the war.
4. He invents words by using parts of Jewish names from the papers he fills out as Koch's secretary.
5. He is saved by Koch from being sent to the gas chamber, but escapes and joins the allies.
6. Koch is arrested in Iran after he realizes he was fooled by the main character.