Analyze the tweet "We're in contained depression. Only new economic engine is #Sustainability, say Joel @makower + @markmykleby @ #VERGEcon. #NewGrandStrategy" 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".
pessimism, sadness