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".

Efficiencies that result when multiple systems are installed at one side. In engineering alone, there is a 10-15% savings in management labor commonly realized when installing units.
Bad