Sentence 1: Ziggy was the family dog. 
 Sentence 3: The vet said it was cancerous and had to be removed 
 Sentence 4:  The vet removed the lump and said he had taken out all the cancer 
 Sentence 5:  Ziggy got a clean bill of health and got to go home to his family 
 Given Sentence 2: His owner felt a lump on his shoulder and took him to the vet.