Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: All the 'juniors' are now wearing purple at ollafest while I'm here fighting with my alarm about when I need to wake up for German #sadness
This tweet contains emotions: 
sadness