Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: Had a conversion with a random fellow passenger on a #melbourne @metrotrains yesterday evening #astounded #youwouldntreadaboutit
This tweet contains emotions: 
anticipation, surprise