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: Wish I could convince the rest of my children to go to their fucking preschool and elementary schools with fear of gun violence.
This tweet contains emotions: 
anger, disgust, fear, sadness