Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @TehShockwave turn that grumpy frown upside-down\n\nYou did something next to impossible today
This tweet contains emotions: 
sadness, surprise