Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @theurbanologist the tunnels! I shudder to think of the grimy tweets...
This tweet contains emotions: 
disgust, fear, pessimism, sadness