An article traces the path of the semen-stained dress  It bounced from the Drudge Report to countless news outlets without ever being substantiated.
The semen-stained dress most assuredly has been substantiated.  
mnli hypothesis: The semen-stained dress most assuredly has been substantiated.   premise: An article traces the path of the semen-stained dress  It bounced from the Drudge Report to countless news outlets without ever being substantiated.