Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: So @Ryanair site crashes everytime I try to book - how do they help? Tell me there's nothing wrong &amp; hang up #furious #helpless @SimonCalder
This tweet contains emotions: 
anger, disgust, sadness