Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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