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: After soul searching, I'd like to announce that I've chosen @chrissyteigen &amp; @nicolerichie to be my adopted sisters due to their hilarity
This tweet contains emotions: 
joy, love, optimism