Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: My son 11 has 128 friends on Facebook and yet is moping around the house complaining he has no one to talk to. I'm right here son
This tweet contains emotions: 
sadness