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: A special "thank you" to all the great Dads out there who work so hard to raise their daughters and sons, Happy Father's Day!  Responser: and a Thank You to YOU Maria, for all you do!!
