Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: @Johncrookshanks 'Elizabeth Smith!' She said with a cheery smile 'Pleasure to meet you, sir! Where have you travelled from?'
This tweet contains emotions: 
anticipation, joy, optimism, trust