Original sentence: Fellatio is oral sex performed on a penis.Urban legends sometimes describe semen as nutritious and a good source of protein.While the use of the mouth to stimulate the penis, especially the glans, is a central feature of fellatio, often the partner simultaneously stimulates the shaft of the penis with his or her hand to provide the receiver with the feeling of the penis being enclosed
Edited sentence: Fellatio is oral sex performed on a penis by heterosexual women, or by homosexual males.However,this is a central feature of fellatio, often the partner simultaneously stimulates the shaft of the penis with his or her hand to provide the receiver with the feeling of the penis being enclosed.Rumours sometimes describe semen as nutritious and a good source of protein.While the use of the mouth to stimulate the penis, especially the glans,there is a slight chance of rabies, and probably some kind of flesh eating virus