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: @theflabar It's a #foggy and #dark morning here - so #filter this time.  For #lighting purposes. :)
This tweet contains emotions: 
joy, optimism