TASK DEFINITION: Read the given query and classify it as a 'Good' or 'Bad' query depending on how well the query is formed, 'Bad' being the expected output for a not so well formed query and 'Good' being the expected output for a well formed query. A query may be wrong based on common sense or general facts, but if it is well formed, you should answer with Good.
PROBLEM: What was the Nulification Controversy ?

SOLUTION: Good

PROBLEM: Where can you find free operatic sheet music ?

SOLUTION: Good

PROBLEM: How do you get rid of algae in swimming pool ?

SOLUTION:
Good