Mary had a little lamb,
Little lamb,
Little lamb,
Mary had a little lamb the keyword here is had
Mary had a nice lamb stew,
Nice lamb stew,
Nice lamb stew,
Mary had a nice lamb stew and a glass of 'milk'
Mary bought another lamb,
Another lamb,
Another lamb,
Mary bought another lamb but this one wasn't food
Enterpret the last line however you like ;)