Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Shriekfest is lining up VOLUNTEERS! Oct 6-9, only serious inquiries please!  shriekfest@aol.com  see free films!
This tweet contains emotions: 
anticipation, joy, optimism