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: 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