> consult book about ghosts
before: 9: 0
special_number = 0
consult_words = 1
consult_from = 4
You discover nothing of interest in the book.

> read about ghosts in book
before: 9: 0
special_number = 0
consult_words = 1
consult_from = 3
You discover nothing of interest in the book.

> ask john about ghosts
before: 10: 0
???
special_number = 0
consult_words = 1
consult_from = 4
John ignores your question.

> answer ghosts to john
before: 0: 10
???
special_number = 0
consult_words = 1
consult_from = 2
no answer.

> consult book about apple
before: 9: 0
special_number = 0
consult_words = 1
consult_from = 4
You discover nothing of interest in the book.

> read about apple in book
before: 9: 0
special_number = 0
consult_words = 1
consult_from = 3
You discover nothing of interest in the book.

> ask john about apple
before: 10: 4952
apple
special_number = 0
consult_words = 1
consult_from = 4
John ignores your question.

> answer apple to john
before: 4952: 10
apple
special_number = 0
consult_words = 1
consult_from = 2
no answer.

> quit
Are you sure you want to quit? yes

[Hit any key to exit.]