3NT or 5 of a minor? Game or part score? For duplicate 3NT is always an ideal contract.

5 out of 5 different contracts / scores

East will pass.

South will open 1♣ .

West will probably bid 1♥ , shape is reasonable for a double, but a bit light in HCPs and if 4441 a double might be better.

North has a difficult choice - bid 1NT to show ♥ stopper, <4♠ s and 8-10HCPs or to support ♣ s either by bidding 2♥ s  to show a good raise in ♣ s which is probably better than 3♣ s which should be more  pre-emptive and weak.

East should bid to the level of fit (Andrew Robson.link) and bid 3♥ s

South is strong and should show values and probably shape by bidding 4♦ , though if North had bid 1NT it would be tempting to bid 3N. A double would also show values, but also offering 4♠ s. Over both of these bids North will bid 5♣.

Those who allowed the opposition to pay in 3♥ will not have a good score. even worse for those in 3NT as this goes one off.

One of the times that 5 of a minor wins!