Please analyze the tweet "#haikuchallenge #haiku\n\nThe crisp autumn air\nMy freedom purchased through death\nNo one will mourn me" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
pessimism, sadness