Problem: Serotonin is a neuromodulator involved in regulation of mood and behavior. Development in the limbic system plays an important role in determining rewards and punishments and processing emotional experience and social information. Changes in the levels of the neurotransmitters dopamine and serotonin in the limbic system make adolescents more emotional and more responsive to rewards and stress. The corresponding increase in emotional variability also can increase adolescents' vulnerability. The effect of serotonin is not limited to the limbic system: Several serotonin receptors have their gene expression change dramatically during adolescence, particularly in the human frontal and prefrontal cortex .
Which system in the brain determines rewards and punishments, emotional experiences, and social information?
The answer is the following: limbic

There is evidence of induced copper deficiency in those taking 100300 mg of zinc daily. A 2007 trial observed that elderly men taking 80 mg daily were hospitalized for urinary complications more often than those taking a placebo. The USDA RDA is 11 and 8 mg Zn/day for men and women, respectively. Levels of 100300 mg may interfere with the utilization of copper and iron or adversely affect cholesterol. Levels of zinc in excess of 500 ppm in soil interfere with the ability of plants to absorb other essential metals, such as iron and manganese. There is also a condition called the zinc shakes or "zinc chills" that can be induced by the inhalation of freshly formed zinc oxide formed during the welding of galvanized materials. Zinc is a common ingredient of denture cream which may contain between 17 and 38 mg of zinc per gram. There have been claims of disability, and even death, due to excessive use of these products.
Having an excess of 500ppm of zinc in soil interferes with what?
ability of plants to absorb other essential metals

Input: Hunting
Since 1934, the sale of Federal Duck Stamps has generated $670 million, and helped to purchase or lease 5,200,000 acres (8,100 sq mi; 21,000 km2) of habitat. The stamps serve as a license to hunt migratory birds, an entrance pass for all National Wildlife Refuge areas, and are also considered collectors items often purchased for aesthetic reasons outside of the hunting and birding communities. Although non-hunters buy a significant number of Duck Stamps, eighty-seven percent of their sales are contributed by hunters, which is logical, as hunters are required to purchase them. Distribution of funds is managed by the Migratory Bird Conservation Commission (MBCC).

How many acres has the sale of Federal Duck Stamps helped to purchase or lease since 1934?
Output: 5,200,000 acres

Input: Article: Cotton remained a key crop in the Southern economy after emancipation and the end of the Civil War in 1865. Across the South, sharecropping evolved, in which landless black and white farmers worked land owned by others in return for a share of the profits. Some farmers rented the land and bore the production costs themselves. Until mechanical cotton pickers were developed, cotton farmers needed additional labor to hand-pick cotton. Picking cotton was a source of income for families across the South. Rural and small town school systems had split vacations so children could work in the fields during "cotton-picking."

Now answer this question: What part of the southern population worked as sharecroppers?

Output: landless

Article: Bell was a supporter of aerospace engineering research through the Aerial Experiment Association (AEA), officially formed at Baddeck, Nova Scotia, in October 1907 at the suggestion of his wife Mabel and with her financial support after the sale of some of her real estate. The AEA was headed by Bell and the founding members were four young men: American Glenn H. Curtiss, a motorcycle manufacturer at the time and who held the title "world's fastest man", having ridden his self-constructed motor bicycle around in the shortest time, and who was later awarded the Scientific American Trophy for the first official one-kilometre flight in the Western hemisphere, and who later became a world-renowned airplane manufacturer; Lieutenant Thomas Selfridge, an official observer from the U.S. Federal government and one of the few people in the army who believed that aviation was the future; Frederick W. Baldwin, the first Canadian and first British subject to pilot a public flight in Hammondsport, New York, and J.A.D. McCurdy Baldwin and McCurdy being new engineering graduates from the University of Toronto.

Question: What organization did Bell set up due to his interest in aerospace?
Ans: Aerial Experiment Association

Input: Gamal Abdel Nasser
When his father was transferred to Cairo in 1933, Nasser joined him and attended al-Nahda al-Masria school. He took up acting in school plays for a brief period and wrote articles for the school's paper, including a piece on French philosopher Voltaire titled "Voltaire, the Man of Freedom". On 13 November 1935, Nasser led a student demonstration against British rule, protesting against a statement made four days prior by UK foreign minister Samuel Hoare that rejected prospects for the 1923 Constitution's restoration. Two protesters were killed and Nasser received a graze to the head from a policeman's bullet. The incident garnered his first mention in the press: the nationalist newspaper Al Gihad reported that Nasser led the protest and was among the wounded. On 12 December, the new king, Farouk, issued a decree restoring the constitution.

What was the issue Nasser led a protest against?
Output:
British rule