Dilbert hands Dogbert a gas mask and says, "Dogbert, your mission is to tell my co-worker that her perfume is killing us. Wear this gas mask." As Dilbert puts the mask on Dogbert, he says, "Use humor to ease the tension." Dogbert says, "Good idea." Wearing the mask, Dogbert stands in the woman's cubicle and says, "Did you hear the joke about the woman who stank like a hog rendering plant?" The woman says, "Three times today . . ."