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: “The immense importance of football is sometimes scary. When you don’t win you are responsible for so many unhappy people.” - Arsene Wenger
This tweet contains emotions: 
pessimism, sadness