Input: Read this: The value judgement definition of literature considers it to exclusively include writing that possesses high quality or distinction, forming part of the so-called belles-lettres ('fine writing') tradition. This is the definition used in the Encyclopædia Britannica Eleventh Edition (1910–11) when it classifies literature as "the best expression of the best thought reduced to writing." However, this has the result that there is no objective definition of what constitutes "literature"; anything can be literature, and anything which is universally regarded as literature has the potential to be excluded, since value-judgements can change over time.
Question: Which edition of the World Book Encyclopedia uses the value judgment definition of "literature?"

Output: unanswerable


Input: Read this: The standard PlayStation 3 version of the XrossMediaBar (pronounced Cross Media Bar, or abbreviated XMB) includes nine categories of options. These are: Users, Settings, Photo, Music, Video, TV/Video Services, Game, Network, PlayStation Network and Friends (similar to the PlayStation Portable media bar). TheTV/Video Services category is for services like Netflix and/or if PlayTV or torne is installed; the first category in this section is "My Channels", which lets users download various streaming services, including Sony's own streaming services Crackle and PlayStation Vue. By default, the What's New section of PlayStation Network is displayed when the system starts up. PS3 includes the ability to store various master and secondary user profiles, manage and explore photos with or without a musical slide show, play music and copy audio CD tracks to an attached data storage device, play movies and video files from the hard disk drive, an optical disc (Blu-ray Disc or DVD-Video) or an optional USB mass storage or Flash card, compatibility for a USB keyboard and mouse and a web browser supporting compatible-file download function. Additionally, UPnP media will appear in the respective audio/video/photo categories if a compatible media server or DLNA server is detected on the local network. The Friends menu allows mail with emoticon and attached picture features and video chat which requires an optional PlayStation Eye or EyeToy webcam. The Network menu allows online shopping through the PlayStation Store and connectivity to PlayStation Portable via Remote Play.
Question: One of Sony's streaming services is the PlayStation Vue; what's the other one called?

Output: Crackle


Input: Read this: Comparison of a back-translation with the original text is sometimes used as a check on the accuracy of the original translation, much as the accuracy of a mathematical operation is sometimes checked by reversing the operation. But the results of such reverse-translation operations, while useful as approximate checks, are not always precisely reliable. Back-translation must in general be less accurate than back-calculation because linguistic symbols (words) are often ambiguous, whereas mathematical symbols are intentionally unequivocal.
Question: What symbol set has the property of being unintentionally unequivocal?

Output: unanswerable


Input: Read this: The crusaders consolidated their conquests into crusader states. During the 12th and 13th centuries, there were a series of conflicts between those states and the surrounding Islamic states. Appeals from those states to the papacy led to further crusades, such as the Third Crusade, called to try to regain Jerusalem, which had been captured by Saladin (d. 1193) in 1187.[Z] In 1203, the Fourth Crusade was diverted from the Holy Land to Constantinople, and captured the city in 1204, setting up a Latin Empire of Constantinople and greatly weakening the Byzantine Empire. The Byzantines recaptured the city in 1261, but never regained their former strength. By 1291 all the crusader states had been captured or forced from the mainland, although a titular Kingdom of Jerusalem survived on the island of Cyprus for several years afterwards.
Question: What state was founded following the Fourth Crusade?

Output:
Latin Empire of Constantinople