Bart: No way, she's faking! If Lisa[?] stays home, <I> stay home.
Lisa: If Bart stays home, I'm going to school.
Bart: Fine, then... Wait a minute...
[eyes dart madly as an indication of frantic neural activity]
If Lisa goes to school, then I go to school, but then Lisa
stays home, so I stay home, so Lisa goes to school...
Marge: Lisa, don't confuse your brother like that.
-- There, I've run rings around you logically. "Bart's
Dog Gets an F"