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: It was a bright cold day in April, and the clocks were striking thirteen. ~ George Orwell, 1984
This tweet contains emotions: 
joy