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: PM #SheikhHasina in @UN speech terms #terrorism as global challenge and urges world leaders to work together to unroot it from everywhere.
This tweet contains emotions: 
anticipation, fear, optimism