Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: If yiu don't respond .o an email within 7 days, you willxbe killed by an animated gif of the girl froa The Ri.g.
This tweet contains emotions: 
anger