Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @darwinwatersons @pennyfitzger31 @gumballwatter15 ok but why tomorrow a horrible day, my day was great!
This tweet contains emotions: 
joy, optimism