Domain: books

question: What was the year the book Pale Blue Dot released?
answer_text: 1994
paraphrase: Release year of the book Pale Blue Dot?

question: author of the book?
answer_text: Carl Sagan
completed: Who was the author of the book Pale Blue Dot?
paraphrase: Who wrote the book?

question: Place of birth?
answer_text: Brooklyn
completed: In which city did Carl Sagan born?
paraphrase: In which city he was born?

question: and when?
answer_text: 9 November 1934
completed: When was Carl Sagan born?
paraphrase: when he was born?

question: cause of death?
answer_text: Pneumonia
completed: What is the cause of death of Carl Sagan?
paraphrase: How he died?