Final answer:
Clingo, suitable for solving puzzles such as Sudoku, can efficiently find all solutions using ASP (Answer Set Programming).
Step-by-step explanation:
The student is asking about Clingo, which is a tool generally used for solving puzzles and various problem-solving activities. Clingo combines the logic programming language ASP (Answer Set Programming) with a solver, suitable for complex problem-solving like that seen in Sudoku challenges. Answering the question, option b) Clingo can find all solutions efficiently is correct. Clingo is indeed capable of finding solutions to even complex Sudoku puzzles, although it might require a good understanding of ASP and appropriate encoding of the puzzle.