#5: The Santa Rosa Ladies
Midway through the session, sitting west, you arrive at a table of two charming and seemingly capable young women, who promptly bid to the slam.
You lead the ♥8. Dummy plays low, and declarer takes partner's nine with the ace. The three of spades goes to the six, ten, and five. Declarer now cashes dummy's club king and tries a club to the ten, which you win.
What is your next play, and why?