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: Headed to MDW w/ layover in SLC. Got off for food. Wrong move. Bailed on my food &amp; barely made it. @SouthwestAir #WannaGetAway #Contest #sad
This tweet contains emotions: 
sadness