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: How brave are the young individuals that have opened up to us about their #depression and #anxiety to help raise awareness!! @beyondblue
This tweet contains emotions: 
fear, optimism, sadness