Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: i had an hour of football practice under the boiling sun and now i have 2hr volleyball practice under the BOILING SUN AGAIN
This tweet contains emotions: 
anger