Input: Read this: The Premier League sells its television rights on a collective basis. This is in contrast to some other European Leagues, including La Liga, in which each club sells its rights individually, leading to a much higher share of the total income going to the top few clubs. The money is divided into three parts: half is divided equally between the clubs; one quarter is awarded on a merit basis based on final league position, the top club getting twenty times as much as the bottom club, and equal steps all the way down the table; the final quarter is paid out as facilities fees for games that are shown on television, with the top clubs generally receiving the largest shares of this. The income from overseas rights is divided equally between the twenty clubs.
Question: How is the income from domestic rights divided between the twenty clubs?

Output: unanswerable

Input: Read this: There are many missionary groups operating in the country, including Lutherans, Baptists, Catholics, Grace Brethren, and Jehovah's Witnesses. While these missionaries are predominantly from the United States, France, Italy, and Spain, many are also from Nigeria, the Democratic Republic of the Congo, and other African countries. Large numbers of missionaries left the country when fighting broke out between rebel and government forces in 20023, but many of them have now returned to continue their work.
Question: What have rebel forces done after the fighting in 2002-3?

Output: unanswerable

Input: Read this: The system was later extended to cover larger ranges and some of its practical shortcomings were addressed by the Austrian scientist Josef Maria Eder (18551944) and Flemish-born botanist Walter Hecht (de) (18961960), (who, in 1919/1920, jointly developed their EderHecht neutral wedge sensitometer measuring emulsion speeds in EderHecht grades). Still, it remained difficult for manufactures to reliably determine film speeds, often only by comparing with competing products, so that an increasing number of modified semi-Scheiner-based systems started to spread, which no longer followed Scheiner's original procedures and thereby defeated the idea of comparability.
Question: What device allowed manufacturers to reliably determine speed?

Output: unanswerable

Input: Read this: Antibiotics are screened for any negative effects on humans or other mammals before approval for clinical use, and are usually considered safe and most are well tolerated. However, some antibiotics have been associated with a range of adverse side effects. Side-effects range from mild to very serious depending on the antibiotics used, the microbial organisms targeted, and the individual patient. Side effects may reflect the pharmacological or toxicological properties of the antibiotic or may involve hypersensitivity reactions or anaphylaxis. Safety profiles of newer drugs are often not as well established as for those that have a long history of use. Adverse effects range from fever and nausea to major allergic reactions, including photodermatitis and anaphylaxis. Common side-effects include diarrhea, resulting from disruption of the species composition in the intestinal flora, resulting, for example, in overgrowth of pathogenic bacteria, such as Clostridium difficile. Antibacterials can also affect the vaginal flora, and may lead to overgrowth of yeast species of the genus Candida in the vulvo-vaginal area. Additional side-effects can result from interaction with other drugs, such as elevated risk of tendon damage from administration of a quinolone antibiotic with a systemic corticosteroid. Some scientists have hypothesized that the indiscriminate use of antibiotics alter the host microbiota and this has been associated with chronic disease.
Question: Why are antibiotics checked before use?

Output:
negative effects on humans or other mammals