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: @ChibiReviews Post series depression can be quite bad, but it will get better, I bet someone will pick the novel soon in the west.
This tweet contains emotions: 
optimism, sadness