Please analyze the tweet "@jccrocker #CharlotteProtest do u #wait 4 the facts #video or do u #hate now ask questions later #sad #protest #PoliceShootings #suggestions" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
sadness