Determine the emotional tone of the following tweet: "@partydelightsUK it's 5679787. Cannot DM you as we don't follow each other. Not such a  #party #fail #letdown". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
disgust, sadness