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: Bloody hell Pam, calm yourself down. But could have sworn something black &amp; hairy just ran across the carpet, #perilsoflivingalone #nervous
This tweet contains emotions: 
anticipation, fear, sadness