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: What is an important feature on an OS ?

A: Good
****
Q: Blocking of a vessel by an embolus ?

A: Bad
****
Q: Do eggrolls come from japan ?

A:
Good
****