As the crowds were increasing, He began saying: "This generation is an evil generation. It demands a sign, but no sign will be given to it except the sign of Jonah.
References for Luke 11:29
For just as Jonah became a sign to the people of Nineveh, so also the Son of Man will be to this generation.
The queen of the south will rise up at the judgment with the men of this generation and condemn them, because she came from the ends of the earth to hear the wisdom of Solomon, and look-something greater than Solomon is here!
The men of Nineveh will rise up at the judgment with this generation and condemn it, because they repented at Jonah's proclamation, and look-something greater than Jonah is here!