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: Two stops today in Front Royal on the way back up to Washington for votes. Thanks to the folks at Toray Plastics and 84 Lumber for showing me around!  Responser: This is the Republican Party I grew up with: https://www.facebook.com/photo.php?fbid=10152074583908138&set=a.451094083137.243483.6580173137&type=1&relevant_count=1
