Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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