input: Please answer the following: Extract the answer to the question from the following context. Question: In order to judge, what is Jennifer Lopez doing for the 15th season? Context: Fox announced on May 11, 2015 that the fifteenth season would be the final season of American Idol; as such, the season is expected to have an additional focus on the program's alumni. Ryan Seacrest returns as host, with Harry Connick Jr., Keith Urban, and Jennifer Lopez all returning for their respective third, fourth, and fifth seasons as judges.
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output: returning

input: Please answer the following: Extract the answer to the question from the following context. Question: what place is mentioned last? Context: London is home to five major medical schools Barts and The London School of Medicine and Dentistry (part of Queen Mary), King's College London School of Medicine (the largest medical school in Europe), Imperial College School of Medicine, UCL Medical School and St George's, University of London and has a large number of affiliated teaching hospitals. It is also a major centre for biomedical research, and three of the UK's five academic health science centres are based in the city Imperial College Healthcare, King's Health Partners and UCL Partners (the largest such centre in Europe).
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output: Europe

input: Please answer the following: Extract the answer to the question from the following context. Question: A substance that regulates and ensures the temperature of a device does not exceed safe values is generally called? Context: Hydrogen is commonly used in power stations as a coolant in generators due to a number of favorable properties that are a direct result of its light diatomic molecules. These include low density, low viscosity, and the highest specific heat and thermal conductivity of all gases.
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output: coolant

input: Please answer the following: Extract the answer to the question from the following context. Question: Where can you find these titles? Context: Knights Grand Cross and Knights Commander prefix Sir, and Dames Grand Cross and Dames Commander prefix Dame, to their forenames.[b] Wives of Knights may prefix Lady to their surnames, but no equivalent privilege exists for husbands of Knights or spouses of Dames. Such forms are not used by peers and princes, except when the names of the former are written out in their fullest forms. Clergy of the Church of England or the Church of Scotland do not use the title Sir or Dame as they do not receive the accolade (i.e., they are not dubbed "knight" with a sword), although they do append the post-nominal letters.
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output:
Such forms are not used by peers and princes, except when the names of the former are written out in their fullest forms