Determine the emotional tone of the following tweet: "A former diplomat is quite gleeful about the situation of Pakistan on @TimesNow\nNot quite stiff upper lip of diplomacy seen normally". 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".
anger, anticipation, disgust, joy, surprise