Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: As I remember and reflect on Reginald Denny on a night much like this (like #Charlotte) I think to myself, the gun lobby must be rejoicing.
This tweet contains emotions: 
joy