Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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