You are provided with a user review of a restaurant. Your task is to classify the given review into two categories: 1) positive, and 2) negative based on its content.

Ex Input:
Large portions for a low price. Fast and lovely service. A weekly venture for me and it never lets me down!

Ex Output:
positive

Ex Input:
the pretzel tasted maybe a bit stale. the cheese sauce was cold. (is that even legal?)no go.

Ex Output:
negative

Ex Input:
excellent small family owned Greek restaurant. I've been to Santorini Greece several times and can attest for the authenticity of this place...not to mention the warm welcome we get every time we walk in the door.

Ex Output:
positive