a dog in a manger

One day,a dog called Browny was feeling hungry.It had not eaten for one day.While Browny was walking,it saw a cow and a horse in the manger.It asked,''Do you have any food for me because I have not eaten for one day.'' ''No,we do not have food for you but we have grass.''said the cow.The dog replied,''It is ok,I can eat grass.''Browny went in and ate some grass.He was full.He thanked the cow and horse for letting him to eat the grass.From that day onwards,the dog became friends with the cow and horse.