More graffiti:

Someone comes along and writes up

I LIKE GRILS

Someone else crosses out GRILS and writes

GIRLS

Yet another wag comes along and writes underneath

WOTS WRONG WITH US GRILS?

This is ancient, and versions are widely cited—but like a haiku it shouldn’t be spelled out too laboriously.

OK then, here’s another haiku:

Wots wrong with us grils?
Someone comes along and writes—
Oops, missed the first line