Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Finally uploaded the file I needed to the university server's drop box. It took like half an hour and a lot of cursing and anger on my part
This tweet contains emotions: 
anger, disgust