Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @LondonMidland #dobetter only two carriages on 14:49 Birmingham to Hereford no room to stand anymore Friday commute #unhappy
This tweet contains emotions: 
disgust, sadness