Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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