Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: INTERN CORNER: My day with Senator Shaheen  Responser: Dear Sen. Shaheen, my name is Carl Tomanelli of Londonderry and I urge you not to support any anti-gun legislation that is based on emotion, politics and not common sense and sober judgement.
