Task: Explanation
Input (English): Sherlock Holmes - The Musical is a musical based on characters created by Sir Arthur Conan Doyle, with music, lyrics and book by Leslie Bricusse. The story concerns a 1901 confrontation between Holmes and his old arch-enemy, Professor Moriarty; Moriarty's brilliant daughter Bella proves to be an even more determined (and beautiful) foe than her father. Question: Which main antagonist in some of the Sherlock Holmes stories was holmes old arch-enemy, in Sherlock Holmes - The Musical Answer: Professor James Moriarty
Output (English):  The story concerns a 1901 confrontation between Holmes and his old archenemy, Professor Moriarty; Moriartys brilliant daughter Bella proves to be an even more determined and beautiful foe than her father.