Input question: Which is the densest planet in the solar system?

Output answer: earth

Input question: On a rail journey from London to Dover, from which London terminus station do you depart ?

Output answer: charing cross

Input question: "Which airline used to promote itself as ""The world's favourite airline""?"

Output answer: british airways

Input question: The dish Apple Charlotte is said to be named after whose wife?

Output answer:
george iii