Unusual 2NT Examples

Board 1
East Deals
None Vul
A 10 6 4
K
J 10 9 3 2
J 9 8
9 7 3
Q 10 8 3
A Q 6 4
7 5
N
WE
S
K
J 7 2
8 7
A K Q 10 4 3 2
Q J 8 5 2
A 9 6 5 4
K 5
6

WestNorthEastSouth
  112NT!2
Pass33PassPass
Pass   
  1. East opens 1
  2. South bids 2NT for the majors
  3. North has an easy choice

3 by North