Source: Mr Bridge
You are West in the defensive positions below. It is your turn to play. Both sides are using a 12-14 1NT.
You lead the 
2, won by the A (5 from South). Partner returns the 4, covered by the J. What do you do?
You lead the 3. Partner wins with the K and returns the 5, on which South plays the J. What do you do?
You lead the J. Partner wins with the A and returns the 4, covered by the 5. How do you defend?
You lead the 
Q. Partner plays the 7 (high encourages, low discourages) and South the 4. How do you continue?
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