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: im so tired but i still have thisbhuge history test in a few minutes i cant afford to get freaked out now oh god if i have an anxiety attack
This tweet contains emotions: 
fear, sadness