Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @rgam0rtis it's a common problem I've had with every 6 plus. having a regular 6 = not having to worry about the design flaw = working phone
This tweet contains emotions: 
optimism, sadness