Defend these hands with me!

A look at 3 hands which were a problem for the defence.

1. Everyone made 3NT, but is should be defeated. What should East play on the 2nd spade? What should East discard when the clubs are played? https://tinyurl.com/yc833xcj POLL1 East’s 3 discards
Even if South had good hearts, it is best to discard the heart suit. https://tinyurl.com/2pvnjxd3
2. Another example of 1NT-X. With no long suit, try not to lead anything that will help declarer make 1NT-X http://tinyurl.com/mkllo4f You lead a low spade and partner’s 8S loses to QS. POLL 2 Who has 9S? Who has JS? POLL 3 After winning AH, which suit should West play?
3. More 3rd hand plays: https://tinyurl.com/2hf8a5zf What should East play at trick 1. POLL4 How many spades did your partner start with? What should you return at trick 2?