The problem: Answer a question about this article:
In 2000, out of 45,693 households, 23.0% had children under the age of 18 living with them, 37.8% were married couples living together, 7.5% had a female householder with no husband present, and 52.5% were nonfamilies. 35.5% of households were made up of individuals and 6.6% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.90. The age distribution was 16.8% under 18, 26.8% from 18 to 24, 31.2% from 25 to 44, 17.3% from 45 to 64, and 7.9% were 65 or older. The median age was 28 years. For every 100 females there were 97.7 males; while for every 100 females age 18 and over, there were 96.4 males.
What is the average family size in the city of Ann Arbor?
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The answer: 2.90

The problem: Answer a question about this article:
Guinea-Bissau is a republic. In the past, the government had been highly centralized. Multi-party governance was not established until mid-1991. The president is the head of state and the prime minister is the head of government. Since 1974, no president has successfully served a full five-year term.
Who is the head of state?
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The answer: president

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Some important texts were created and studied by scholars. Philosophical works written by Yang Xiong (53 BC 18 AD), Huan Tan (43 BC 28 AD), Wang Chong (27100 AD), and Wang Fu (78163 AD) questioned whether human nature was innately good or evil and posed challenges to Dong's universal order. The Records of the Grand Historian by Sima Tan (d. 110 BC) and his son Sima Qian (14586 BC) established the standard model for all of imperial China's Standard Histories, such as the Book of Han written by Ban Biao (354 AD), his son Ban Gu (3292 AD), and his daughter Ban Zhao (45116 AD). There were dictionaries such as the Shuowen Jiezi by Xu Shen (c. 58 c. 147 AD) and the Fangyan by Yang Xiong. Biographies on important figures were written by various gentrymen. Han dynasty poetry was dominated by the fu genre, which achieved its greatest prominence during the reign of Emperor Wu.
Who had produced biographies of individuals of significant importance?
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The answer: various gentrymen

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Scientists do not know the exact cause of sexual orientation, but they believe that it is caused by a complex interplay of genetic, hormonal, and environmental influences. They favor biologically-based theories, which point to genetic factors, the early uterine environment, both, or the inclusion of genetic and social factors. There is no substantive evidence which suggests parenting or early childhood experiences play a role when it comes to sexual orientation. Research over several decades has demonstrated that sexual orientation ranges along a continuum, from exclusive attraction to the opposite sex to exclusive attraction to the same sex.
What can scientifically be considered the main factors in somebodys sexual orientation?
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The answer:
they believe that it is caused by a complex interplay of genetic, hormonal, and environmental influences.