Input question: During the American Civil War as what were the battleships Monitor and Merrimac classed ?

Output answer: ironclads

Input question: Which organ of the body secretes insulin?

Output answer: pancreas

Input question: In which city were the American shows 'Ally McBeal' and 'St. Elsewhere' set?

Output answer: boston

Input question: "Rachel Carson's book ""Silent Spring"" was partially responsible for the ban of what insecticide?"

Output answer:
ddt