This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

[EX Q]: Many ancient civilizations alloyed metals for purely aesthetic purposes. In ancient Egypt and Mycenae, gold was often alloyed with copper to produce red-gold, or iron to produce a bright burgundy-gold. Gold was often found alloyed with silver or other metals to produce various types of colored gold. These metals were also used to strengthen each other, for more practical purposes. Copper was often added to silver to make sterling silver, increasing its strength for use in dishes, silverware, and other practical items. Quite often, precious metals were alloyed with less valuable substances as a means to deceive buyers. Around 250 BC, Archimedes was commissioned by the king to find a way to check the purity of the gold in a crown, leading to the famous bath-house shouting of "Eureka!" upon the discovery of Archimedes' principle.
[EX A]: Ancient civilizations often alloyed metals for what reason?

[EX Q]: Its knowledge and uses spread from China through the Middle East to medieval Europe in the 13th century, where the first water powered paper mills were built. Because of paper's introduction to the West through the city of Baghdad, it was first called bagdatikos. In the 19th century, industrial manufacture greatly lowered its cost, enabling mass exchange of information and contributing to significant cultural shifts. In 1844, the Canadian inventor Charles Fenerty and the German F. G. Keller independently developed processes for pulping wood fibres.
[EX A]: In what century did the papermaking process spread from China to Europe?

[EX Q]: On July 20, 2009, Sports Business Journal reported that the AFL owed approximately $14 million to its creditors and were considering filing for Chapter 11 bankruptcy protection. In early August 2009, numerous media outlets began reporting that the AFL was folding permanently and would file for Chapter 7 bankruptcy. The league released a statement on August 4 to the effect that while the league was not folding, it was suspending league operations indefinitely. Despite this, several of the league's creditors filed papers to force a Chapter 7 liquidation if the league did not do so voluntarily. This request was granted on August 7, though converted to a Chapter 11 reorganization on August 26.
[EX A]:
On what date was it reported that the AFL was considering bankruptcy?

