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 simplicity, answers should be in all lower cased letters.
Q: Category: THE BEATLES 
Clue: Fittingly, the cover of this Beatles album shows the Fab Four engaging in a semaphore message
A:
help!