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've always had a weird grudge against stingrays ever since one killed Steve Irwin.
This tweet contains emotions: 
anger, pessimism, sadness