Task: Assess the arousal intensity of the sentence, providing a rating between 0 (most calm) and 1 (most energetic), reflecting the emotional depth conveyed in the message.
Sentence: SAN FRANCISCO -- A staple of Chinese and Indian cooking, these gourds (botanically, Momordica charantia) with skin like toads grow on climbing vines that can reach 12 feet.
Intensity score: 