The problem: Answer a question about this article:
A party may claim that a treaty should be terminated, even absent an express provision, if there has been a fundamental change in circumstances. Such a change is sufficient if unforeseen, if it undermined the "essential basis" of consent by a party, if it radically transforms the extent of obligations between the parties, and if the obligations are still to be performed. A party cannot base this claim on change brought about by its own breach of the treaty. This claim also cannot be used to invalidate treaties that established or redrew political boundaries.[citation needed]
In order to be considered a fundamental change, a change in circumstances must have been what at the time of the adoption of the treaty?
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The answer: unforeseen

Problem: Please answer a question about the following article about Capital punishment in the United States:
Puerto Rico's constitution expressly forbids capital punishment, stating "The death penalty shall not exist", setting it apart from all U.S. states and territories other than Michigan, which also has a constitutional prohibition (eleven other states and the District of Columbia have abolished capital punishment through statutory law). However, capital punishment is still applicable to offenses committed in Puerto Rico, if they fall under the jurisdiction of the federal government, though federal death penalty prosecutions there have generated significant controversy.
How many US states have passed laws outlawing the death penalty?
A: eleven

Question: Read this and answer the question

From the mid-19th century on the opening hours of licensed premises in the UK were restricted. However licensing was gradually liberalised after the 1960s, until contested licensing applications became very rare, and the remaining administrative function was transferred to Local Authorities in 2005.

In what decade were the restrictions on public drinking establishment licenses loosened?
Answer: 1960s

Problem: In addition there are two service bells, cast by Robert Mot, in 1585 and 1598 respectively, a Sanctus bell cast in 1738 by Richard Phelps and Thomas Lester and two unused bellsone cast about 1320, by the successor to R de Wymbish, and a second cast in 1742, by Thomas Lester. The two service bells and the 1320 bell, along with a fourth small silver "dish bell", kept in the refectory, have been noted as being of historical importance by the Church Buildings Council of the Church of England.
Who cast the two service bells?
The answer is the following: Robert Mot

In October 1919, Albert went up to Trinity College, Cambridge, where he studied history, economics and civics for a year. On 4 June 1920, he was created Duke of York, Earl of Inverness and Baron Killarney. He began to take on more royal duties. He represented his father, and toured coal mines, factories, and railyards. Through such visits he acquired the nickname of the "Industrial Prince". His stammer, and his embarrassment over it, together with his tendency to shyness, caused him to appear much less impressive than his older brother, Edward. However, he was physically active and enjoyed playing tennis. He played at Wimbledon in the Men's Doubles with Louis Greig in 1926, losing in the first round. He developed an interest in working conditions, and was President of the Industrial Welfare Society. His series of annual summer camps for boys between 1921 and 1939 brought together boys from different social backgrounds.
What was Albert's nickname as he toured coal mines, factories, and railyards?
Industrial Prince

Here is a question about this article: A third gain in cognitive ability involves thinking about thinking itself, a process referred to as metacognition. It often involves monitoring one's own cognitive activity during the thinking process. Adolescents' improvements in knowledge of their own thinking patterns lead to better self-control and more effective studying. It is also relevant in social cognition, resulting in increased introspection, self-consciousness, and intellectualization (in the sense of thought about one's own thoughts, rather than the Freudian definition as a defense mechanism). Adolescents are much better able than children to understand that people do not have complete control over their mental activity. Being able to introspect may lead to two forms of adolescent egocentrism, which results in two distinct problems in thinking: the imaginary audience and the personal fable. These likely peak at age fifteen, along with self-consciousness in general.
What is the answer to this question: The imaginary audience and personal fable peak at what age?
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So...
fifteen