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: @jade0208 unfortunately the diet is still on, so they will have to wait till Friday I'm afraid.
This tweet contains emotions: 
fear, sadness