Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @pandaflo22 We are sadden by this because we always strive to bring the best service to our customer. We will always be here for you. CM
This tweet contains emotions: 
anticipation, optimism, sadness, trust