Context: Eleven days after the Soviet invasion of the Polish Kresy, the secret protocol of the Molotov–Ribbentrop Pact was modified by the German–Soviet Treaty of Friendship, Cooperation and Demarcation,) allotting Germany a larger part of Poland and transferring Lithuania's territory (with the exception of left bank of river Scheschupe, the "Lithuanian Strip") from the envisioned German sphere to the Soviets. On 28 September 1939, the Soviet Union and German Reich issued a joint declaration in which they declared:

Question: After amending the joint agreement, who received the larger portion of Lithuania?
Answer: Germany

Question: What was the amended joint agreement called?
Answer: German–Soviet Treaty of Friendship, Cooperation and Demarcation

Question: How long after the annexation of Kresy was the amendment made?
Answer: Eleven days

Question: After amending the joint agreement, who received the smaller portion of Lithuania?
Answer: Unanswerable

Question: After amending the joint agreement, who never received the larger portion of Lithuania?
Answer: Unanswerable

Question: What was the amended joint agreement not called?
Answer: Unanswerable

Question: How long after the annexation of Kresy wasn't the amendment made?
Answer: Unanswerable

Question: How long before the annexation of Kresy was the amendment made?
Answer: Unanswerable