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: For the last 2 years the U.S. has been averaging about 4 terrorist attacks a month. Good debate topic. #Trump #Hillary
This tweet contains emotions: 
anger, disgust, fear