Task: Evaluate the tweet and identify the emotions conveyed, categorizing it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately capture the emotional undertone of the message.
Tweet: @davidallengreen The difference of being a third country in negotiations, as opposed to a member state, hasn't sunk in yet
This tweet contains emotions: 