Analyze the 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" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
optimism, sadness