Task: Determine the degree of intensity for emotion E in the tweet, giving it a score between 0 and 1, where 0 signifies the least intensity and 1 signifies the greatest intensity.
Tweet: Just told me wife there was a chance it would be 2 Sydney teams in AFL grand final. Her response: 'there's two SYDNEY AFL teams?' #serious
Emotion: sadness
Intensity score: 
0.375