Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: Today I answered a call from a college rep who didn't realize I did, and I got to hear part of his lively debate about if evolution is real.
This tweet contains emotions: 
joy