[Question: "How were the rings around Saturn actually formed?" Brian Cox and Alan Davies, sitting on the opposite sides of the studio, both pull out their "Nobody knows" cards]
I'm going to, to play the card there.
[looking at Cox] You are right! You're a true scientist. The fact is that nobody does really know, do they.
[pointed cough]
[turns to see Alan with his card] Well done!
[Formally] Thank you.
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