Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @TELUSsupport any tips on why our wifi is terrible the past week? Slow or dropping out continuously - NW Calgary 😕
This tweet contains emotions: 
anger, disgust, sadness