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: Hi everyone. Here's a little bit about my trip to the White House and Washington DC. Such a great day. https://vickyduval.wordpress.com/  Responser: Looking great as always... We you.
