Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: #Question of the #day: what are some of your #nervous #habits? (biting fingernails, tapping your foot, clenching your teeth...)
This tweet contains emotions: 
fear