Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: Ok, it seems there is still hope in BSNL 🙂\nNow, BB speed is ok 🙂\nBut I won't thank and elate much lest it be gone again like before 😐🙂
This tweet contains emotions: 
joy, optimism