Sentence 1: When Joy was nine she and her best friend Beth both got puppies. 
 Sentence 3: Joy got a boy and named him Pippin 
 Sentence 4:  Beth got a girl and named her Sweet Pea 
 Sentence 5:  They have spent many hours together over the last eleven Year's! 
 Option 1: she was from the same litter. 
 Option 2: The puppies were from the same litter.