Task: Identify the emotional nuances in the tweet, classifying it as either 'neutral or no emotion' or as one or more of the designated emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that accurately reflect the expressed sentiment.
Tweet: We have a GLOBAL problem: Illicit trade in #tobacco products presents a serious #threat to public #health. #UNTobaccocontrol @FCTCofficial
This tweet contains emotions: 