Given the task definition and input, reply with output. 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.

This heater looks great in our kitchen and works well so far. Easy to install although the instructions are a bit confusing about drilling into a brick or concrete--not an issue if you have experience with wood but there is no mention of where it could get scratched by screws that go through walls.
Good Review