Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @sportinglifecan I keep a down vest or sweater in my pack year round! Helps on chilly mornings or breezy mountain tops! #mysportinglife
This tweet contains emotions: 
joy, optimism