Input: Read this: Nintendo's near monopoly on the home video game market left it with a degree of influence over the industry. Unlike Atari, which never actively courted third-party developers (and even went to court in an attempt to force Activision to cease production of Atari 2600 games), Nintendo had anticipated and encouraged the involvement of third-party software developers; strictly, however, on Nintendo's terms. Some of the Nintendo platform-control measures were adopted by later console manufacturers such as Sega, Sony, and Microsoft, although not as stringent.
Question: Nintendo actively discouraged the involvement of what?

Output: unanswerable

Input: Read this: The inherent ambiguity of many control characters, combined with their historical usage, created problems when transferring "plain text" files between systems. The best example of this is the newline problem on various operating systems. Teletype machines required that a line of text be terminated with both "Carriage Return" (which moves the printhead to the beginning of the line) and "Line Feed" (which advances the paper one line without moving the printhead). The name "Carriage Return" comes from the fact that on a manual typewriter the carriage holding the paper moved while the position where the typebars struck the ribbon remained stationary. The entire carriage had to be pushed (returned) to the right in order to position the left margin of the paper for the next line.
Question: What side does the carriage have to be pushed to without moving the printhead?

Output: unanswerable

Input: Read this: According to the official Twenty-Four Histories, the History of Ming compiled in 1739 by the subsequent Qing dynasty (16441912), the Ming dynasty established the "E-Li-Si Army-Civilian Marshal Office" (Chinese: ) in western Tibet and installed the "U-Tsang Itinerant High Commandery" and "Amdo-Kham Itinerant High Commandery" to administer Kham. The Mingshi states that administrative offices were set up under these high commanderies, including one Itinerant Commandery, three Pacification Commissioner's Offices, six Expedition Commissioner's Offices, four Wanhu offices (myriarchies, in command of 10,000 households each) and seventeen Qianhu offices (chiliarchies, each in command of 1,000 households).
Question: What years did the Qing dynasty rule?

Output: 16441912

Input: Read this: The Constitution of the United States of America provides that the United States Congress has the power "To coin money". Laws implementing this power are currently codified at 31 U.S.C. 5112. Section 5112 prescribes the forms, in which the United States dollars should be issued. These coins are both designated in Section 5112 as "legal tender" in payment of debts. The Sacagawea dollar is one example of the copper alloy dollar. The pure silver dollar is known as the American Silver Eagle. Section 5112 also provides for the minting and issuance of other coins, which have values ranging from one cent to 50 dollars. These other coins are more fully described in Coins of the United States dollar.
Question: What is the impure silver dollar referred to as?

Output:
unanswerable