Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Pro-lifers are condemning #MenForChoice - but I haven't seen any of you criticize the dismal American foster care/adoption system.
This tweet contains emotions: 
anger, disgust, pessimism, sadness