West chose to discard, and East won with the nine.
West had no reason to know that a club lead would be effective, and chose a heart.
However, the West will choose to believe that it is.
Instead West chose a tricky lead of the heart six, but that was no better.
West chose to lead his partner's club suit, and South had an easy time.
West now had no reason to lead a club, and chose a diamond.
Unfortunately for him, West chose the heart nine as his opening lead.
And it was likely to be the jack or ten since West had not chosen an honor lead.
He led a heart, winning with the jack when West chose to play low.
West should have led a club but chose a diamond.