Detailed Instructions: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.
Q: Category: ROCK OF AGES
Clue: Harry Chapin's "son turned 10 just the other day" in this song, No. 1 back in 1974
A:
"cat's in the cradle"