Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: My oldest cat pisses me off. She's always been weary of Kennen (senile kinda), but recently shes been sweet. Until she attacked and bit him.
This tweet contains emotions: 
anger, fear