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: Its worth noting that despite the animosity between the US president and the Israeli president they both behaved as gentleman.
This tweet contains emotions: 
anticipation, joy