A young schoolboy was having a hard time pronouncing the
letter "R," and all the other kids were, of course,
teasing him about it. To help him out, the teacher gave
him a sentence to practice at home: "Robert gave Richard
a rap in the ribs for roasting the rabbit so rare."
In class a few days later, the teacher asked the boy to
recite the sentence out loud. 

The boy nervously eyed his classmates -- many of them
already laughing at him -- then replied, "Bob gave Dick
a poke in the side because the bunny wasn't cooked enough."