Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: It's my last week at CN! I'm gonna be sad to leave, but this will also be my first planned break since going into animation!
This tweet contains emotions: 
sadness