Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @olark @mashable Thanks @olark for being #awesome As someone who suffers from #Anxiety and migraines I always fear stigma. You give me hope.
This tweet contains emotions: 
fear, joy, optimism