Hamilcar, Mister Kirby would like to remove the layers of dust he has managed to pick up.
He was filthy from being outside all day, so Mister Kirby wanted to take a bath. 
mnli hypothesis: He was filthy from being outside all day, so Mister Kirby wanted to take a bath.  premise: Hamilcar, Mister Kirby would like to remove the layers of dust he has managed to pick up.