Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @theflabar It's a #foggy and #dark morning here - so #filter this time.  For #lighting purposes. :)
This tweet contains emotions: 
joy, optimism