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: My encouragement today is my dog while my head is in a fog. #epicfail  #feelingfedup #tired #ihaveheardeverything #wondering
This tweet contains emotions: 
joy, optimism