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: Sometimes you come face-to-face with Grace & Compassion. Met a military wife yesterday who said she and the other wives prayed for me at Landsthul. - Tammy  Responser: :'-) very proud to have met you.
