Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: #Terrorism can be destroyed easily if #wholeworld came together great strength..they could destroy this #fear from #humanity..
This tweet contains emotions: 
fear, optimism