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: I didn't find out about this till today due to my bff telling me. I am so disgusted and offended by this.
This tweet contains emotions: 
anger, disgust, sadness