On-air challenge: Every answer is a familiar two-word phrase or name in which the first word starts SI and the second word starts with T. For example, given "unadorned set of facts," you would say, "simple truth."
Last week's challenge: Name a movie in two words — five letters in each word. Both words start with vowels. Take one letter in the first word, move it two spaces later in the alphabet, and rearrange the result. You'll get the second word in the movie's title. What movie is it?
Answer: After Earth
Winner: Joseph Young, St. Cloud, Minn.
Next week's challenge from listener Eric Timar of Falls Church, Va.: Write down these five words: "mate," "peck," "miss," "pot" and "blunder." There is something very unusual they have in common. What is it? And, can you name one other word with the same property?
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.