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: Idea 171 #Privacy is so #vital you could #start a privacy #service
This tweet contains emotions: 
anticipation, optimism