Detailed Instructions: In this task, you're given a review from Amazon's food products. Your task is to generate a short summary of the given review in the input. Note that you don't need to write a complete sentence as a summary.
Q: Excellent coffee flavor - robust without being bitter. I'd give this a five star rating were it not for the amount of grounds and sludge that are produced. Don't drink the last quarter of your cup!
A:
you'll need a strainer