Task: Analyze the arousal intensity exhibited in the sentence, assigning a score on a continuum from 0 (extremely calm) to 1 (extremely energetic), capturing the emotional context conveyed.
Sentence: It was also in the 1800s when the debate itself over the cause of homosexuality was started by Magnus Hirschfeld, a physician, sex researcher, leading sexologist, homosexual, and founder of the first gay rights movement in Germany, who believed that homosexuality was biological in nature (Marcus 10).
Intensity score: 