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 know I've painted quite a grim picture of your chances. But if you simply stand here, we will both surely die.
This tweet contains emotions: 
anger, fear, pessimism