The auction, with silent opponents:
1♠-3♥ 1)
4♠-5♥ 2)
6♠-7♥
Lead: ♣x, result: 7♥=
1. The agreement about 3♥ was that it was a GF spade raise, with shortness in an unknown suit. Asked and explained. 3♥ was intended as a strong (natural) jump shift.
2. Alerted and explained as a heart void.
We can assume that the explanations are all correct and that this was a situation where South misbid. The remaining question: Did South use UI? If you were called, how would you rule? (Unfortunately, I don't know the EW hands, so I know that you won't be able to decide on what an AS should be.)
Rik

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