Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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