Task: Measure the level of emotion E in the tweet using a real-valued score between 0 and 1, where 0 represents the lowest intensity and 1 represents the highest intensity.
Tweet: Folk Band 'Thistle Down' will be replaced by 'The Paul Edwards Quartet' at Laurel Bank Park Sat 24 11am - 3pm due to ill health #jazz
Emotion: sadness
Intensity score: 
0.271