Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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 #depression #feelingfedup #tired #ihaveheardeverything #wondering
This tweet contains emotions: 
love, optimism, sadness