Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Most cotton in the United States, Europe and Australia is harvested mechanically, either by a cotton picker, a machine that removes the cotton from the boll without damaging the cotton plant, or by a cotton stripper, which strips the entire boll off the plant. Cotton strippers are used in regions where it is too windy to grow picker varieties of cotton, and usually after application of a chemical defoliant or the natural defoliation that occurs after a freeze. Cotton is a perennial crop in the tropics, and without defoliation or freezing, the plant will continue to grow.
What machine strips off the chemicals off the cotton plant?
A: unanswerable

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If the aircraft are VTOL-capable or helicopters, they do not need to decelerate and hence there is no such need. The arrested-recovery system has used an angled deck since the 1950s because, in case the aircraft does not catch the arresting wire, the short deck allows easier take off by reducing the number of objects between the aircraft and the end of the runway. It also has the advantage of separating the recovery operation area from the launch area. Helicopters and aircraft capable of vertical or short take-off and landing (V/STOL) usually recover by coming abreast the carrier on the port side and then using their hover capability to move over the flight deck and land vertically without the need for arresting gear.
What capability do helicopters use to move over the flight deck and land vertically?
A: hover

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Everton have had many other nicknames over the years. When the black kit was worn Everton were nicknamed "The Black Watch", after the famous army regiment. Since going blue in 1901, Everton have been given the simple nickname "The Blues". Everton's attractive style of play led to Steve Bloomer calling the team "scientific" in 1928, which is thought to have inspired the nickname "The School of Science". The battling 1995 FA Cup winning side were known as "The Dogs of War". When David Moyes arrived as manager he proclaimed Everton as "The People's Club", which has been adopted as a semi-official club nickname.
What is Everton Football Club's semi-official club nickname?
A: The People's Club

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Belief is a fundamental aspect of morality in the Quran, and scholars have tried to determine the semantic contents of "belief" and "believer" in the Quran. The ethico-legal concepts and exhortations dealing with righteous conduct are linked to a profound awareness of God, thereby emphasizing the importance of faith, accountability, and the belief in each human's ultimate encounter with God. People are invited to perform acts of charity, especially for the needy. Believers who "spend of their wealth by night and by day, in secret and in public" are promised that they "shall have their reward with their Lord; on them shall be no fear, nor shall they grieve". It also affirms family life by legislating on matters of marriage, divorce, and inheritance. A number of practices, such as usury and gambling, are prohibited. The Quran is one of the fundamental sources of Islamic law (sharia). Some formal religious practices receive significant attention in the Quran including the formal prayers (salat) and fasting in the month of Ramadan. As for the manner in which the prayer is to be conducted, the Quran refers to prostration. The term for charity, zakat, literally means purification. Charity, according to the Quran, is a means of self-purification.
What physical state is the foundation of morality as described by the Quran?
A:
unanswerable