From the tweet "@nigeriaLNG @TonyAttah #lestweforget 3 yrs on, 2013 Graduate Trainee recruitment not concluded. #disappointed #weary however  #wewait", identify which emotions are conveyed. Choose from anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, and trust. If no emotions are evident, respond with "neutral or no emotion".
disgust, sadness