On-air challenge: You're given two words starting with the letter S. For each pair, give a third word — also starting with S — that can follow the first one and precede the second one, in each case to complete a compound word or a familiar two-word phrase.
Last week's challenge: A logic puzzle: "Nieces and nephews have I none, but that man's father is my father's son." What is the gender of the speaker? And who is the speaker referring to?
Answer: Male, the speaker is referring to his own son.
Winner: Damon Jespersen of Byfield, Mass.
Next week's challenge: The Roman numeral for 38 is XXXVIII. What is special or unusual about this Roman numeral that sets it apart from every other Roman numeral that can be written?
If you know the answer to next week's challenge, submit it here. Listeners who submit correct answers win a chance to play the on-air puzzle. Important: Include a phone number where we can reach you Thursday at 3 p.m. Eastern.