premise: The first season of "Charmed", an American supernatural drama television series created by Constance M. Burge, premiered on October 7, 1998 on The WB. Airing on Wednesdays at 9:00 pm, the season consisted of 22 episodes and concluded its airing on May 26, 1999. Paramount Home Entertainment released the complete first season in a six-disc box set on February 1, 2005.
hypothesis: The airing of the first season of "Charmed" lasted 8 months 
reason: It premiered on October 7, 1998 and concluded its airing on May 26, 1999 thats less than 8 months, not 8 months precisely. 