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: Father & son bonding while working on an old car - thief comes by & takes the oil pan. Unbelievable how quick metal thieves work. Maybe it's time to move!  Responser: that is just a horrible thing to happen. Sad statement of the times we are living.
