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: @TheDuranSite Russian mistrust of the U.S is well justified &amp; the precaution they've taken are very prudent.
This tweet contains emotions: 
anticipation, surprise, trust