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: Asian Tiger #Mosquitoes are so relentless. More aggressive than the kind I dealt w/as a kid.
This tweet contains emotions: 
anger