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.

What kin of particles does ice have inside it ?
Bad

Salt is what kind of a compound ?
Good

What is the 2009 esimate of perths population ?

Good