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: @mattwruff sadly there is constitutional RIGHT to have abortion. Yet there is constitutional RIGHT to life. Safety net protects those rights
This tweet contains emotions: 
sadness