Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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