Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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