Task: Paraphrasing
Input (English): Question: What disease is unpreventable in the type one form but may be prevented by diet if it is of the second type? 
Answer: diabetes. 
Sentence: Diabetes is unpreventable in the type one form but may be prevented by diet if it is of the second type.
Output (English): A disease that is preventable through diet in one type, but not preventable in another type is diabetes.