Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Time to go hit up the library - I have a lovely PILE of book reservations to collect this morning... #glee #books #reading
This tweet contains emotions: 
joy