You will be given a definition of a task first, then some input of the task.
Given a sentence, judge the quality of this sentence by indicating "Good" and "Bad". The quality depends on the grammar and the meaning of the sentence. If a sentence is easily understandable, and doesn't have grammatical errors, answer with "Good", otherwise answer with "Bad".

In Malaysia, Powell met with Mahathir Mohamad, Prime Minister since 1981.
Output:
Good