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: As a photographer this portrait shooting mode on the iPhone 7 Plus is going to frustrate me ~75% of the time but delight ~25% of the time.
This tweet contains emotions: 
anger, disgust, sadness