Task: Determine the sentiment intensity or valence score of the tweet, representing the tweeter's mental state on a continuum from 0 (highly negative) to 1 (highly positive).
Tweet: A 28 yr old man threw a saucepan of boiling water at a garda, &amp; then hit the garda with the shaft of a brush...Letterkenny District Court.
Intensity score: 
0.266