Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @RussiaInsider Really sad &amp; surprising. 1 side #Russia fighting against #IS &amp; on the other supporting #Pak which is epic centre 4 #terrorism
This tweet contains emotions: 
fear, sadness, surprise