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: #HRmanagement must discourage the expediency factor from encroaching on the rolling out of a credible #workplaceviolenceprevention policy.
This tweet contains emotions: 
anger, disgust, optimism