Task: Assess the intensity of sentiment or valence in the tweet, representing the tweeter's mental state with a real-valued score between 0 (extremely negative) and 1 (extremely positive).
Tweet: @DDogsScout 'Oh!' Almost with odd cheerfulness, Big Boss offers: 'Muzzle flash blinding. Accidental by the guy who became my best friend.'
Intensity score: 
0.548