The problem: Answer a question about this article:
The stemmatic method's final step is emendatio, also sometimes referred to as "conjectural emendation." But in fact, the critic employs conjecture at every step of the process. Some of the method's rules that are designed to reduce the exercise of editorial judgment do not necessarily produce the correct result. For example, where there are more than two witnesses at the same level of the tree, normally the critic will select the dominant reading. However, it may be no more than fortuitous that more witnesses have survived that present a particular reading. A plausible reading that occurs less often may, nevertheless, be the correct one.
What is the last step in the stemmatic method?
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The answer: emendatio


The problem: Answer a question about this article:
Like other languages, Catalan has a large list of learned words from Greek and Latin. This process started very early, and one can find such examples in Ramon Llull's work. On the fourteenth and fifteenth centuries Catalan had a number of Greco-Latin learned words much superior to other Romance languages, as it can be attested for example in Roís de Corella's writings.
Where does Catalan get a lot of its learned words?
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The answer: Greek and Latin


The problem: Answer a question about this article:
Parkson enters by acquiring local brand Centro Department Store in 2011. Centro still operates for middle market while the 'Parkson' brand itself, positioned for middle-up segment, enters in 2014 by opening its first store in Medan, followed by its second store in Jakarta. Lotte, meanwhile, enters the market by inking partnership with Ciputra Group, creating what its called 'Lotte Shopping Avenue' inside the Ciputra World Jakarta complex, as well as acquiring Makro and rebranding it into Lotte Mart.
What store did Parkson buy in 2011? 
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The answer: Centro Department Store


The problem: Answer a question about this article:
First recognized in 1900 by Max Planck, it was originally the proportionality constant between the minimal increment of energy, E, of a hypothetical electrically charged oscillator in a cavity that contained black body radiation, and the frequency, f, of its associated electromagnetic wave. In 1905 the value E, the minimal energy increment of a hypothetical oscillator, was theoretically associated by Einstein with a "quantum" or minimal element of the energy of the electromagnetic wave itself. The light quantum behaved in some respects as an electrically neutral particle, as opposed to an electromagnetic wave. It was eventually called the photon.
What was later termed the photon?
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The answer:
The light quantum