Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @WestHamUtd poor service tonight to find season ticket holders in the seats we purchased online. Forced to move further away #unhappy
This tweet contains emotions: 
anger, sadness