Problem: Does "Subsequently the US Navy engaged in bombing of militia positions inside Lebanon." answer the question "When did a suicide bomber successfully attack the marine barracks in Lebanon?"

A: no

Problem: Does "The evolution of the Greek economy during the 19th century (a period that transformed a large part of the world because of the Industrial Revolution) has been little researched." answer the question "What does recent research from 2006 examine?"

A: yes

Problem: Does "To the King's later regret, David Lloyd George persuaded him to go further by ostentatiously locking the wine cellars and refraining from alcohol, to set a good example to the supposedly inebriated working class." answer the question "Who convinced the king to lock the wine cellars?"

A:
yes