Determine the emotional tone of the following 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". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
joy, love, optimism