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: Retweeted Dr. Rand Paul (@RandPaul):\n\nStop fueling a Middle East arms race and worsening an already horrific refugee crisis in Yemen.
Emotion: fear
Intensity score: 
0.667