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: Over 1,000 supporters of Sayreville PBA at picnic in Burkes Park. Need for funding to hire police and prevent layoffs raised often.  Responser: Hmmm... Interesting.... http://www.naturalnews.com/036689_NSA_whistleblowers_spying.html
