Given the task definition and input, reply with output. In this task, You are given an amazon review and its polarity (positive or negative). Your task is to answer "True" if the specified sentence and its polarity match; otherwise, answer "False"

Review: Within a couple of weeks the center of the futon was sagging, and by the 2 month mark was completely flat in the middle, even with regular rotation. Could not sleep on it without rolling into the center. Worst futon mattress I've ever had, and no returns.
Polarity: negative
True