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: @GreensACT @ShaneRattenbury @carolinelec what about #publictransport to &amp; from #CanberraAirport. Most cities have. Mr Barr very #coy on.
This tweet contains emotions: 