Input: Article: 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.

Now answer this question: What symbol set has a defining property of ambiguity?

Output: linguistic

Input: Article: It is estimated that 5.5 million tonnes of uranium exists in ore reserves that are economically viable at US$59 per lb of uranium, while 35 million tonnes are classed as mineral resources (reasonable prospects for eventual economic extraction). Prices went from about $10/lb in May 2003 to $138/lb in July 2007. This has caused a big increase in spending on exploration, with US$200 million being spent worldwide in 2005, a 54% increase on the previous year. This trend continued through 2006, when expenditure on exploration rocketed to over $774 million, an increase of over 250% compared to 2004. The OECD Nuclear Energy Agency said exploration figures for 2007 would likely match those for 2006.

Now answer this question: How much economically viable uranium is there in ore reserves, in millions of tonnes?

Output: 5.5

Input: Article: Spectre opened in Germany with $22.45 million (including previews), which included a new record for the biggest Saturday of all time, Australia with $8.7 million (including previews) and South Korea opened to $8.2 million (including previews). Despite the 13 November Paris attacks, which led to numerous theaters being closed down, the film opened with $14.6 million (including $2 million in previews) in France. In Mexico, where part of the film was shot, it debuted with more than double that of Skyfall with $4.5 million. It also bested its predecessor's opening in various Nordic regions where MGM is distributing, such as in Finland ($2.66 million) and Norway ($2.91 million), and in other markets like Denmark ($4.2 million), the Netherlands ($3.38 million), and Sweden ($3.1 million). In India, it opened at No. 1 with $4.8 million which is 4% above the opening of Skyfall. It topped the German-speaking Switzerland box office for four weeks and in the Netherlands, it has held the No. 1 spot for seven weeks straight where it has topped Minions to become the top movie of the year. The top earning markets are Germany ($70.3 million) and France ($38.8 million). In Paris, it has the second highest ticket sales of all time with $4.1 million tickets sold only behind Spider-Man 3 which sold over $6.32 million tickets in 2007.

Now answer this question: How much more did Spectre earn compared with Skyfall in the Indian market?

Output:
4%