Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @Activehours I need someone to reply back to me immediately. I am not happy and not getting timely responses through the app! #help
This tweet contains emotions: 
anger, disgust, sadness