instruction:
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.
question:
What is an important feature on an OS ?
answer:
Good


question:
What are examples of efflorescent compounds ?
answer:
Good


question:
What are two reasons for low birth rate ?
answer:

Good