Sentence:  [I]t must be recognized that there are two distinct and separate phases of <WSD>venereal</WSD> disease education: (1) the imparting to the individual of adequate technical knowledge of the <WSD>venereal</WSD> diseases and their prevention, and (2) the motivation of the individual with the will to avoid either illicit sexual intercourse or unprotected sexual exposure. 
Meaning of the word marked with <WSD> tags:  Of a disease: sexually transmitted; of or relating to, or adapted to the cure of, a venereal disease.