Problem: Does "Soon, the extract was demonstrated to work in people, but development of insulin therapy as a routine medical procedure was delayed by difficulties in producing the material in sufficient quantity and with reproducible purity." answer the question "Before insulin, what was the life expectancy of diabetics?"

A: no

Problem: Does "The Edwardian era in the United Kingdom is the period spanning the reign of King Edward VII up to the end of the First World War, including the years surrounding the sinking of the RMS Titanic." answer the question "What is the Edwardian era?"

A: yes

Problem: Does "A statement was issued on 13 June explaining that Miliband "was promoting England's bid to win the World Cup", although "he understands the anger that is felt towards the Sun over Hillsborough by many people in Merseyside and he is sorry to those who feel offended."" answer the question "How did Milliband explain posing with this newspaper?"

A:
yes