Examine the tweet "@RussiaInsider Really sad &amp; surprising. 1 side #Russia fighting against #IS &amp; on the other supporting #Pak which is epic centre 4" and determine which of these emotions are present: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If there are no identifiable emotions, reply with "neutral or no emotion".
pessimism, sadness, surprise