Determine the valence intensity of the following tweet, considering the mental state of the author. Assign a real number between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Tweet: A black female LEO💙 was shot 8 times and died in Philadelphia --Where's the #outrage black people? @BarackObama #Sharpton #blm #TheFive
0.196