ACBL Sectional Swiss - 2nd 8-board round out of six rounds

The two involved teams were among the favorites and all players close

to expert status.  Assume both teams are playing a 2/1 type system

with strong notrumps and that the 1S bid showed five or more spades.

What would your ruling be?

Board 10, both vulnerable, East dealer

           x

           AJxxxxx

           K

           Qxxx

KQTx                    AJxxx

K9x                     x

Jxx                     AT9

KJx                     T9xx

           xxx

           QT

           Qxxxxx

           Ax

West   North    East    South

                Pass    Pass

1C      1H       1S*    Pass

Pass    2H       3C      3H

3S      4H      Pass**  Pass

4S     Pass     Pass    Pass

* five or more spades

**break in tempo