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: @bkero @whispersystems Which really sucks because typing on a mobile device is always horrible and I hate it.
This tweet contains emotions: 
anger, disgust, fear, sadness