Problem: What is dichlor-diphenyl-trichlorethane used for?
Answer: insecticide

Problem: The main characters of which play by Henrik Ibsen are Dr. Thomas Stockmann, his wife and three children, and Peter Stockmann, the Mayor, who is his elder brother?
Answer: enemy of people

Problem: What TV series was created by Gene Roddenberry?
Answer: star trek

Problem: "Who is the host of the TV series ""Dragon's Den""?"
Answer:
evan davis