Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: The #house no longer echoes with our #laughter. We light up our #memories of the #home and sit in the cold, #waiting. #amwriting #nostalgia
This tweet contains emotions: 
joy, sadness