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: When a grown adult doesn't drink or has never drank before I just assume they were raised around a raging alcoholic and they want no parts.
This tweet contains emotions: 
optimism