Hali McDonald, 23, left, laughs at a comment from a passer by as Yolanda Gutierrez, 22, looks on at the Hemp Temps booth during the High Times Cannabis Cup at Denver Mart in Denver, Colorado on April 20, 2014. Event organizers are expecting 37,000 people to attend the two day cup in Denver. (Photo by Seth McConnell/The Denver Post) ( CannaCup )