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.

[Q]: The cost of radio advertisements ?
[A]: Bad


[Q]: Who invented over 50 things including an engine ?
[A]: Good


[Q]: How many opal mines are there in australia ?
[A]:
Good