Tongue Twister

Say this out loud: this is a cat is is a cat how is a cat to is a cat keep is a cat a is a cat dumbass is a cat busy is a cat for is a cat forty is a cat seconds is a cat * * * * * * * * * * * * * now read only the first word of each line!! THIS is a cat IS is a cat HOW is a cat TO is a cat KEEP is a cat A is a cat DUMBASS is a cat BUSY is a cat FOR is a cat FORTY is a cat SECONDS is a cat