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: . @UNFCCC @uncclearn The problem is the time it has taken to do this means its going to be out of date already. #sadly
This tweet contains emotions: 
fear, pessimism, sadness