Input: Read this: In response to the early-to-mid-17th century "continental rationalism" John Locke (16321704) proposed in An Essay Concerning Human Understanding (1689) a very influential view wherein the only knowledge humans can have is a posteriori, i.e., based upon experience. Locke is famously attributed with holding the proposition that the human mind is a tabula rasa, a "blank tablet", in Locke's words "white paper", on which the experiences derived from sense impressions as a person's life proceeds are written. There are two sources of our ideas: sensation and reflection. In both cases, a distinction is made between simple and complex ideas. The former are unanalysable, and are broken down into primary and secondary qualities. Primary qualities are essential for the object in question to be what it is. Without specific primary qualities, an object would not be what it is. For example, an apple is an apple because of the arrangement of its atomic structure. If an apple was structured differently, it would cease to be an apple. Secondary qualities are the sensory information we can perceive from its primary qualities. For example, an apple can be perceived in various colours, sizes, and textures but it is still identified as an apple. Therefore, its primary qualities dictate what the object essentially is, while its secondary qualities define its attributes. Complex ideas combine simple ones, and divide into substances, modes, and relations. According to Locke, our knowledge of things is a perception of ideas that are in accordance or discordance with each other, which is very different from the quest for certainty of Descartes.
Question: What does 'tabula rasa' mean?

Output: blank tablet

QUES: British air doctrine, since the time of Chief of the Air Staff Hugh Trenchard in the early 1920s, had stressed offence was the best means of defence. British defensive strategy revolved around offensive action, what became known as the cult of the offensive. To prevent German formations from hitting targets in Britain, RAF's Bomber Command would destroy Luftwaffe aircraft on their own bases, aircraft in their factories and fuel reserves by attacking oil plants. This philosophy was impractical as Bomber Command lacked the technology and equipment and needed several years to develop it. This strategy retarded the development of fighter defences in the 1930s. Dowding agreed air defence would require some offensive action, and fighters could not defend Britain alone. Until September 1940, the RAF lacked specialist night-fighting aircraft and relied on anti-aircraft units which were poorly equipped and lacking in numbers.

Until 1940 what type of aircraft did the RAF lacked?
What is the answer?
ANS: specialist night-fighting

QUES: A national railway system that extends throughout the country and into Spain, is supported and administered by Comboios de Portugal. Rail transport of passengers and goods is derived using the 2,791 km (1,734 mi) of railway lines currently in service, of which 1,430 km (889 mi) are electrified and about 900 km (559 mi) allow train speeds greater than 120 km/h (75 mph). The railway network is managed by the REFER while the transport of passengers and goods are the responsibility of Comboios de Portugal (CP), both public companies. In 2006 the CP carried 133 million passengers and 9,750,000 t (9,600,000 long tons; 10,700,000 short tons) of goods.
How long is the amount of railway lines that permit speeds greater than 120 km/h?

ANS: 900 km (559 mi)

If Mammalia is considered as the crown group, its origin can be roughly dated as the first known appearance of animals more closely related to some extant mammals than to others. Ambondro is more closely related to monotremes than to therian mammals while Amphilestes and Amphitherium are more closely related to the therians; as fossils of all three genera are dated about 167 million years ago in the Middle Jurassic, this is a reasonable estimate for the appearance of the crown group. The earliest known synapsid satisfying Kemp's definitions is Tikitherium, dated 225 Ma, so the appearance of mammals in this broader sense can be given this Late Triassic date. In any case, the temporal range of the group extends to the present day.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): How many years do momotremes and therian mammals go back?
Ah, so.. 167 million years

Question: For several decades, peace reigned in Tibet, but in 1792 the Qing Qianlong Emperor sent a large Chinese army into Tibet to push the invading Nepalese out. This prompted yet another Qing reorganization of the Tibetan government, this time through a written plan called the "Twenty-Nine Regulations for Better Government in Tibet". Qing military garrisons staffed with Qing troops were now also established near the Nepalese border. Tibet was dominated by the Manchus in various stages in the 18th century, and the years immediately following the 1792 regulations were the peak of the Qing imperial commissioners' authority; but there was no attempt to make Tibet a Chinese province.
Try to answer this question if possible: Who dominated Tibet during the entire 18th century?
Answer: unanswerable

Problem: In late 1977, music writers for Sounds first used the terms "New Musick" and "post punk" to describe British acts such as Siouxsie and the Banshees and Wire, who began experimenting with sounds, lyrics and aesthetics that differed significantly from their punk contemporaries. Writer Jon Savage described some of these early developments as exploring "harsh urban scrapings [,] controlled white noise" and "massively accented drumming". In January 1978, singer John Lydon (then known as Johnny Rotten) announced the break-up of his pioneering punk band the Sex Pistols, citing his disillusionment with punk's musical predictability and cooption by commercial interests, as well as his desire to explore more diverse interests.
When did John Lydon anounce the break up of the Wire?
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Answer:
unanswerable