Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
There are generally four recognized levels of tests: unit testing, integration testing, component interface testing, and system testing. Tests are frequently grouped by where they are added in the software development process, or by the level of specificity of the test. The main levels during the development process as defined by the SWEBOK guide are unit-, integration-, and system testing that are distinguished by the test target without implying a specific process model. Other test levels are classified by the testing objective.
The levels covered in the SWEBOK guide are unit-, reintegration, and what other level?
A: unanswerable

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Dutch is one of the closest relatives of both German and English[n 5] and is said to be roughly in between them.[n 6] Dutch, like English, has not undergone the High German consonant shift, does not use Germanic umlaut as a grammatical marker, has largely abandoned the use of the subjunctive, and has levelled much of its morphology, including the case system.[n 7] Features shared with German include the survival of three grammatical gendersalbeit with few grammatical consequences[n 8]as well as the use of modal particles, final-obstruent devoicing, and a similar word order.[n 9] Dutch vocabulary is mostly Germanic and incorporates more Romance loans than German but fewer than English.[n 10]
Which two languages does Dutch most closely resemble?
A: German and English

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Punjab witnessed major battles between the armies of India and Pakistan in the wars of 1965 and 1971. Since the 1990s Punjab hosted several key sites of Pakistan's nuclear program such as Kahuta. It also hosts major military bases such as at Sargodha and Rawalpindi. The peace process between India and Pakistan, which began in earnest in 2004, has helped pacify the situation. Trade and people-to-people contacts through the Wagah border are now starting to become common. Indian Sikh pilgrims visit holy sites such as Nankana Sahib.
When did trade between people become common?
A: unanswerable

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Most definitions of sexual orientation include a psychological component, such as the direction of an individual's erotic desires, or a behavioral component, which focuses on the sex of the individual's sexual partner/s. Some people prefer simply to follow an individual's self-definition or identity. Scientific and professional understanding is that "the core attractions that form the basis for adult sexual orientation typically emerge between middle childhood and early adolescence". Sexual orientation differs from sexual identity in that it encompasses relationships with others, while sexual identity is a concept of self.
When do scientists and professions agree that sexual orientation shows in a person?
A:
typically emerge between middle childhood and early adolescence