weather	:		cloudy
outside	:		17.1°C
mood	:		...

I mean, what do they have against cocker spaniels doing the Cardassian Neck Trick beside a giant sideways bum anyway? =D

The author offers this alternative. It's clear to me that it means: "People wearing triangular pants are prohibited from calculating Arithmetic Series with baby alpacas."

Not sure when you would ever need a sign like that, though...