Given an English language product review, determine if it is a Good Review or a Bad Review. A good review is one where the product's review has positive tone and Bad review is one where the tone of product's review is negative.

[Q]: This "biography' should only be offered via e-book (or another digital source).
[A]: Bad review


[Q]: The power plug fell out within 30 days of purchase with light use. It won't stay in. Had to buy replacement.
[A]: Bad review


[Q]: These pillows are really soft, yet supportive at same time. I've only had them about 1 month, so far my kids like it very much. Also nice material - not real stiff or cheap looking. The only thing which surprised me was that there wasn't much stuffing in one pillow case.
[A]:
Good Review